Table of Contents
633 relations: A Song of Ice and Fire, A4 polytope, ABO blood group system, Abu Bakr, Abu Hanifa, AD 4, Addition, Adenine, Advent, Advent candle, Advent wreath, Ahlswede–Daykin inequality, Ahmad ibn Hanbal, Air (classical element), Al-Shafi'i, Algebraic equation, Algebraic number field, Algebraic structure, Ali, Aliquot sequence, All-wheel drive, Alternating group, Alternative algebra, Ambrose, American football, Amu Darya, Anāgāmi, Antiprism, Arabs, Aravah (Sukkot), Arhat, Aristotle, Arizona, Armenian numerals, Artha, Arthur Schopenhauer, Artistic gymnastics, Ascender (typography), Asceticism, Assamese language, Associative property, Astrological sign, Astrology, At-Tawbah, Athanasius of Alexandria, Atmosphere of Earth, Atomic number, Audi, Audi Quattro, Audi Sport GmbH, ... Expand index (583 more) »
- 4 (number)
A Song of Ice and Fire
A Song of Ice and Fire is a series of high fantasy novels by the American author George R. R. Martin.
See 4 and A Song of Ice and Fire
A4 polytope
In 4-dimensional geometry, there are 9 uniform polytopes with A4 symmetry.
ABO blood group system
The ABO blood group system is used to denote the presence of one, both, or neither of the A and B antigens on erythrocytes (red blood cells).
See 4 and ABO blood group system
Abu Bakr
Abd Allah ibn Abi Quhafa (23 August 634), commonly known by the kunya Abu Bakr, was the first caliph, ruling from 632 until his death in 634.
See 4 and Abu Bakr
Abu Hanifa
Abu Hanifa (translit; September 699–767) was a Sunni Muslim scholar, jurist, theologian, ascetic,Pakatchi, Ahmad and Umar, Suheyl, "Abū Ḥanīfa", in: Encyclopaedia Islamica, Editors-in-Chief: Wilferd Madelung and, Farhad Daftary.
See 4 and Abu Hanifa
AD 4
AD 4 was a common year starting on Wednesday or a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar (sources differ, see leap year error for further information) and a leap year starting on Tuesday of the Proleptic Julian calendar.
See 4 and AD 4
Addition
Addition (usually signified by the plus symbol) is one of the four basic operations of arithmetic, the other three being subtraction, multiplication and division.
See 4 and Addition
Adenine
Adenine (symbol A or Ade) is a purine nucleobase.
See 4 and Adenine
Advent
Advent is a season observed in most Christian denominations as a time of expectant waiting and preparation for both the celebration of the Nativity of Christ at Christmas and the return of Christ at the Second Coming.
See 4 and Advent
Advent candle
An Advent candle is a candle marked with the days of December up to Christmas Eve.
Advent wreath
The Advent wreath, or Advent crown, is a Christian tradition that symbolizes the passage of the four weeks of Advent in the liturgical calendar of the Western church.
Ahlswede–Daykin inequality
The Ahlswede–Daykin inequality, also known as the four functions theorem (or inequality), is a correlation-type inequality for four functions on a finite distributive lattice.
See 4 and Ahlswede–Daykin inequality
Ahmad ibn Hanbal
Ahmad ibn Hanbal (translit; November 780 – 2 August 855) was a Sunni Muslim scholar, jurist, theologian, traditionist, ascetic and eponym of the Hanbali school of Islamic jurisprudence—one of the four major orthodox legal schools of Sunni Islam.
Air (classical element)
Air or Wind is one of the four classical elements along with water, earth and fire in ancient Greek philosophy and in Western alchemy.
See 4 and Air (classical element)
Al-Shafi'i
Al-Shafi'i (translit;;767–820 CE) was a Sunni Muslim scholar, jurist, traditionist, theologian, ascetic, and eponym of the Shafi'i school of Islamic jurisprudence.
See 4 and Al-Shafi'i
Algebraic equation
In mathematics, an algebraic equation or polynomial equation is an equation of the form P.
Algebraic number field
In mathematics, an algebraic number field (or simply number field) is an extension field K of the field of rational numbers such that the field extension K / \mathbb has finite degree (and hence is an algebraic field extension).
See 4 and Algebraic number field
Algebraic structure
In mathematics, an algebraic structure consists of a nonempty set A (called the underlying set, carrier set or domain), a collection of operations on A (typically binary operations such as addition and multiplication), and a finite set of identities, known as axioms, that these operations must satisfy.
Ali
Ali ibn Abi Talib (translit) was the cousin and son-in-law of the Islamic prophet Muhammad, and was the fourth Rashidun caliph who ruled from 656 to 661, as well as the first Shia imam.
See 4 and Ali
Aliquot sequence
In mathematics, an aliquot sequence is a sequence of positive integers in which each term is the sum of the proper divisors of the previous term.
All-wheel drive
An all-wheel drive vehicle (AWD vehicle) is one with a powertrain capable of providing power to all its wheels, whether full-time or on-demand.
Alternating group
In mathematics, an alternating group is the group of even permutations of a finite set.
Alternative algebra
In abstract algebra, an alternative algebra is an algebra in which multiplication need not be associative, only alternative.
Ambrose
Ambrose of Milan (Aurelius Ambrosius; 4 April 397), venerated as Saint Ambrose, was a theologian and statesman who served as Bishop of Milan from 374 to 397.
See 4 and Ambrose
American football
American football, referred to simply as football in the United States and Canada and also known as gridiron football, is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end.
Amu Darya
The Amu Darya, also called the Amu, the Amo, and historically the Oxus (Latin: Ōxus; Greek: Ὦξος, Ôxos), is a major river in Central Asia, which flows through Tajikistan, Turkmenistan, Uzbekistan and Afghanistan.
See 4 and Amu Darya
Anāgāmi
In Buddhism, an anāgāmin (Sanskrit; Pāli: anāgāmī, lit. "non-returning") is a partially enlightened person who has cut off the first five fetters that bind the ordinary mind.
See 4 and Anāgāmi
Antiprism
In geometry, an antiprism or is a polyhedron composed of two parallel direct copies (not mirror images) of an polygon, connected by an alternating band of triangles.
See 4 and Antiprism
Arabs
The Arabs (عَرَب, DIN 31635:, Arabic pronunciation), also known as the Arab people (الشَّعْبَ الْعَرَبِيّ), are an ethnic group mainly inhabiting the Arab world in West Asia and North Africa.
See 4 and Arabs
Aravah (Sukkot)
Aravah (ערבה, pl. aravot -) is a leafy branch of the willow tree.
Arhat
In Buddhism, an Arhat (Sanskrit: अर्हत्) or Arhant (Pali: अरहन्त्, 𑀅𑀭𑀳𑀦𑁆𑀢𑁆) is one who has gained insight into the true nature of existence and has achieved Nirvana and liberated from the endless cycle of rebirth.
See 4 and Arhat
Aristotle
Aristotle (Ἀριστοτέλης Aristotélēs; 384–322 BC) was an Ancient Greek philosopher and polymath.
See 4 and Aristotle
Arizona
Arizona (Hoozdo Hahoodzo; Alĭ ṣonak) is a landlocked state in the Southwestern region of the United States.
See 4 and Arizona
Armenian numerals
Armenian numerals form a historic numeral system created using the majuscules (uppercase letters) of the Armenian alphabet.
Artha
Artha (अर्थ; Pali: Attha, Tamil: பொருள், poruḷ) is one of the four goals or objectives of human life in Hindu traditions.
See 4 and Artha
Arthur Schopenhauer
Arthur Schopenhauer (22 February 1788 – 21 September 1860) was a German philosopher.
Artistic gymnastics
Artistic gymnastics is a discipline of gymnastics in which athletes perform short routines on different apparatuses.
Ascender (typography)
In typography and handwriting, an ascender is the portion of a minuscule letter in a Latin-derived alphabet that extends above the mean line of a font.
See 4 and Ascender (typography)
Asceticism
Asceticism is a lifestyle characterized by abstinence from worldly pleasures, often for the purpose of pursuing spiritual goals.
See 4 and Asceticism
Assamese language
Assamese or Asamiya (অসমীয়া) is an Indo-Aryan language spoken mainly in the north-eastern Indian state of Assam, where it is an official language.
Associative property
In mathematics, the associative property is a property of some binary operations that means that rearranging the parentheses in an expression will not change the result.
See 4 and Associative property
Astrological sign
In Western astrology, astrological signs are the twelve 30-degree sectors that make up Earth's 360-degree orbit around the Sun.
Astrology
Astrology is a range of divinatory practices, recognized as pseudoscientific since the 18th century, that propose that information about human affairs and terrestrial events may be discerned by studying the apparent positions of celestial objects.
See 4 and Astrology
At-Tawbah
At-Tawbah (lit) is the ninth chapter of the Quran.
See 4 and At-Tawbah
Athanasius of Alexandria
Athanasius I of Alexandria (– 2 May 373), also called Athanasius the Great, Athanasius the Confessor, or, among Coptic Christians, Athanasius the Apostolic, was a Christian theologian and the 20th patriarch of Alexandria (as Athanasius I).
See 4 and Athanasius of Alexandria
Atmosphere of Earth
The atmosphere of Earth is composed of a layer of gas mixture that surrounds the Earth's planetary surface (both lands and oceans), known collectively as air, with variable quantities of suspended aerosols and particulates (which create weather features such as clouds and hazes), all retained by Earth's gravity.
Atomic number
The atomic number or nuclear charge number (symbol Z) of a chemical element is the charge number of an atomic nucleus.
Audi
Audi AG is a German automotive manufacturer of luxury vehicles headquartered in Ingolstadt, Bavaria, Germany.
See 4 and Audi
Audi Quattro
The Audi Quattro is a road and rally car, produced by the German automobile manufacturer Audi, part of the Volkswagen Group.
Audi Sport GmbH
Audi Sport GmbH, formerly known as quattro GmbH, Retrieved 30 November 2016 is the high-performance car manufacturing subsidiary of Audi, itself a subsidiary of the greater Volkswagen Group.
Augustine of Hippo
Augustine of Hippo (Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Africa.
Australian Football League
The Australian Football League (AFL) is the pre-eminent and only fully professional competition of Australian rules football.
See 4 and Australian Football League
Australian rules football
Australian rules football, also called Australian football or Aussie rules, or more simply football or footy, is a contact sport played between two teams of 18 players on an oval field, often a modified cricket ground.
See 4 and Australian rules football
Autumn
Autumn, also known as fall in North American English, is one of the four temperate seasons on Earth.
See 4 and Autumn
B4 polytope
In 4-dimensional geometry, there are 15 uniform 4-polytopes with B4 symmetry.
Babylonian cuneiform numerals
Babylonian cuneiform numerals, also used in Assyria and Chaldea, were written in cuneiform, using a wedge-tipped reed stylus to print a mark on a soft clay tablet which would be exposed in the sun to harden to create a permanent record.
See 4 and Babylonian cuneiform numerals
Balance beam
The balance beam is a rectangular artistic gymnastics apparatus and an event performed using the apparatus.
Base on balls
A base on balls (BB), better known as a walk, occurs in baseball when a batter receives four pitches during a plate appearance that the umpire calls balls, and is in turn awarded first base without the possibility of being called out.
Baseball
Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding.
See 4 and Baseball
Baseball field
A baseball field, also called a ball field or baseball diamond, is the field upon which the game of baseball is played.
Basil of Caesarea
Basil of Caesarea, also called Saint Basil the Great (Hágios Basíleios ho Mégas; Ⲡⲓⲁⲅⲓⲟⲥ Ⲃⲁⲥⲓⲗⲓⲟⲥ; 330 – 1 or 2 January 378), was Bishop of Caesarea Mazaca in Cappadocia, Asia Minor.
Basketball
Basketball is a team sport in which two teams, most commonly of five players each, opposing one another on a rectangular court, compete with the primary objective of shooting a basketball (approximately in diameter) through the defender's hoop (a basket in diameter mounted high to a backboard at each end of the court), while preventing the opposing team from shooting through their own hoop.
See 4 and Basketball
Bass guitar
The bass guitar, electric bass or simply bass is the lowest-pitched member of the guitar family.
Bengali language
Bengali, also known by its endonym Bangla (বাংলা), is an Indo-Aryan language from the Indo-European language family native to the Bengal region of South Asia.
Beryllium
Beryllium is a chemical element; it has symbol Be and atomic number 4.
See 4 and Beryllium
Big Four
Big Four or Big 4 may refer to.
See 4 and Big Four
Bit
The bit is the most basic unit of information in computing and digital communication.
See 4 and Bit
BlackBerry Pearl
The BlackBerry Pearl (8100 / 8110 / 8120 / 8130 / 8220 / 8230 / 9100 / 9105) was a series of smartphones developed by Research In Motion, and was the first BlackBerry device with a camera and media player.
Blood
Blood is a body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells, and transports metabolic waste products away from those same cells.
See 4 and Blood
Boat
A boat is a watercraft of a large range of types and sizes, but generally smaller than a ship, which is distinguished by its larger size or capacity, its shape, or its ability to carry boats.
See 4 and Boat
Bodh Gaya
Bodh Gayā is a religious site and place of pilgrimage associated with the Mahabodhi Temple complex, situated in the Gaya district in the Indian state of Bihar.
See 4 and Bodh Gaya
Book of Genesis
The Book of Genesis (from Greek; בְּרֵאשִׁית|Bərēʾšīṯ|In beginning; Liber Genesis) is the first book of the Hebrew Bible and the Christian Old Testament.
Book of Revelation
The Book of Revelation or Book of the Apocalypse is the final book of the New Testament (and therefore the final book of the Christian Bible).
Boundary (cricket)
In cricket, the boundary is the perimeter of a playing field.
Brahma
Brahma (ब्रह्मा) is a Hindu god, referred to as "the Creator" within the Trimurti, the trinity of supreme divinity that includes Vishnu and Shiva.
See 4 and Brahma
Brahmacharya
Brahmacharya (Devanagari: ब्रह्मचर्य) is a concept within Indian religions that literally means "conduct consistent with Brahma" or "on the path of Brahma".
Brahmana
The Brahmanas (Sanskrit: ब्राह्मणम्, IAST: Brāhmaṇam) are Vedic śruti works attached to the Samhitas (hymns and mantras) of the Rig, Sama, Yajur, and Atharva Vedas.
See 4 and Brahmana
Brahmavihara
The (sublime attitudes, lit. "abodes of brahma") are a series of four Buddhist virtues and the meditation practices made to cultivate them.
Brahmi numerals
Brahmi numerals are a numeral system attested in the Indian subcontinent from the 3rd century BCE.
Bravais lattice
In geometry and crystallography, a Bravais lattice, named after, is an infinite array of discrete points generated by a set of discrete translation operations described in three dimensional space by where the ni are any integers, and ai are primitive translation vectors, or primitive vectors, which lie in different directions (not necessarily mutually perpendicular) and span the lattice.
Buddhist pilgrimage sites
The most important places in Buddhism are located in the Indo-Gangetic Plain of southern Nepal and northern India.
See 4 and Buddhist pilgrimage sites
Burmese language
Burmese is a Sino-Tibetan language spoken in Myanmar, where it is the official language, lingua franca, and the native language of the Bamar, the country's principal ethnic group.
Byte
The byte is a unit of digital information that most commonly consists of eight bits.
See 4 and Byte
Caliphate
A caliphate or khilāfah (خِلَافَةْ) is a monarchical form of government (initially elective, later absolute) that originated in the 7th century Arabia, whose political identity is based on a claim of succession to the Islamic State of Muhammad and the identification of a monarch called caliph (خَلِيفَةْ) as his heir and successor.
See 4 and Caliphate
Callisto (moon)
Callisto, or Jupiter IV, is the second-largest moon of Jupiter, after Ganymede.
Canadian Aboriginal syllabics
Canadian syllabic writing, or simply syllabics, is a family of writing systems used in a number of Indigenous Canadian languages of the Algonquian, Inuit, and (formerly) Athabaskan language families.
See 4 and Canadian Aboriginal syllabics
Cancer (constellation)
Cancer is one of the twelve constellations of the zodiac and is located in the Northern celestial hemisphere.
See 4 and Cancer (constellation)
Canine tooth
In mammalian oral anatomy, the canine teeth, also called cuspids, dogteeth, eye teeth, vampire teeth, or vampire fangs, are the relatively long, pointed teeth.
Car
A car, or an automobile, is a motor vehicle with wheels.
See 4 and Car
Carbon
Carbon is a chemical element; it has symbol C and atomic number 6.
See 4 and Carbon
Cardinal direction
The four cardinal directions, or cardinal points, are the four main compass directions: north, south, east, and west, commonly denoted by their initials N, S, E, and W respectively.
Cardinal virtues
The cardinal virtues are four virtues of mind and character in both classical philosophy and Christian theology.
Carnivora
Carnivora is an order of placental mammals that have specialized in primarily eating flesh, whose members are formally referred to as carnivorans.
See 4 and Carnivora
Cayley–Dickson construction
In mathematics, the Cayley–Dickson construction, named after Arthur Cayley and Leonard Eugene Dickson, produces a sequence of algebras over the field of real numbers, each with twice the dimension of the previous one.
See 4 and Cayley–Dickson construction
Cello
The violoncello, often simply abbreviated as cello, is a bowed (sometimes plucked and occasionally hit) string instrument of the violin family.
See 4 and Cello
Certiorari
In law, certiorari is a court process to seek judicial review of a decision of a lower court or government agency.
See 4 and Certiorari
Channel 4 (disambiguation)
Channel 4 is a British television station, operated by the Channel Four Television Corporation.
See 4 and Channel 4 (disambiguation)
Charles Sanders Peirce
Charles Sanders Peirce (September 10, 1839 – April 19, 1914) was an American scientist, mathematician, logician, and philosopher who is sometimes known as "the father of pragmatism".
See 4 and Charles Sanders Peirce
Chinese Communist Party
The Chinese Communist Party (CCP), officially the Communist Party of China (CPC), is the founding and sole ruling party of the People's Republic of China (PRC).
See 4 and Chinese Communist Party
Chinese culture
Chinese culture is one of the world's oldest cultures, originating thousands of years ago.
Chinese language
Chinese is a group of languages spoken natively by the ethnic Han Chinese majority and many minority ethnic groups in China.
Chinese numerals
Chinese numerals are words and characters used to denote numbers in written Chinese.
Chinese numerology
Some numbers are believed by some to be auspicious or lucky (吉利) or inauspicious or unlucky (不吉) based on the Chinese word that the number sounds similar to.
Chordate
A chordate is a deuterostomic animal belonging to the phylum Chordata. All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics (synapomorphies) that distinguish them from other taxa.
See 4 and Chordate
Circle
A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre.
See 4 and Circle
Circle of fifths
In music theory, the circle of fifths (sometimes also cycle of fifths) is a way of organizing pitches as a sequence of perfect fifths.
Cleanup hitter
In baseball, a cleanup hitter is the fourth hitter in the batting order.
CMYK color model
The CMYK color model (also known as process color, or four color) is a subtractive color model, based on the CMY color model, used in color printing, and is also used to describe the printing process itself.
Color printing
Color printing or colour printing is the reproduction of an image or text in color (as opposed to simpler black and white or monochrome printing).
Colorado
Colorado (other variants) is a landlocked state in the Mountain West subregion of the Western United States.
See 4 and Colorado
Commercial vehicle
A commercial vehicle is any type of motor vehicle used for transporting goods or paying passengers.
Commutative property
In mathematics, a binary operation is commutative if changing the order of the operands does not change the result.
See 4 and Commutative property
Complex number
In mathematics, a complex number is an element of a number system that extends the real numbers with a specific element denoted, called the imaginary unit and satisfying the equation i^.
Composite number
A composite number is a positive integer that can be formed by multiplying two smaller positive integers.
Computer keyboard
A computer keyboard is a peripheral input device modeled after the typewriter keyboard which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
Connacht
Connacht or Connaught (Connachta or Cúige Chonnacht), is one of the four provinces of Ireland, in the west of Ireland.
See 4 and Connacht
Continued fraction
In mathematics, a continued fraction is an expression obtained through an iterative process of representing a number as the sum of its integer part and the reciprocal of another number, then writing this other number as the sum of its integer part and another reciprocal, and so on.
Convex polytope
A convex polytope is a special case of a polytope, having the additional property that it is also a convex set contained in the n-dimensional Euclidean space \mathbb^n.
Counting rods
Counting rods (筭) are small bars, typically 3–14 cm (1" to 6") long, that were used by mathematicians for calculation in ancient East Asia.
Coxeter group
In mathematics, a Coxeter group, named after H. S. M. Coxeter, is an abstract group that admits a formal description in terms of reflections (or kaleidoscopic mirrors).
Coxswain
The coxswain is the person in charge of a boat, particularly its navigation and steering.
See 4 and Coxswain
Credit card
A credit card is a payment card, usually issued by a bank, allowing its users to purchase goods or services or withdraw cash on credit.
Cricket
Cricket is a bat-and-ball game that is played between two teams of eleven players on a field, at the centre of which is a pitch with a wicket at each end, each comprising two bails balanced on three stumps.
See 4 and Cricket
Cross-polytope
In geometry, a cross-polytope, hyperoctahedron, orthoplex, or cocube is a regular, convex polytope that exists in n-dimensional Euclidean space.
Cuatro (instrument)
The cuatro is a family of Latin American string instruments played in Colombia, Puerto Rico, Venezuela and other Latin American countries.
Cube
In geometry, a cube is a three-dimensional solid object bounded by six square faces.
See 4 and Cube
Cuboctahedron
A cuboctahedron is a polyhedron with 8 triangular faces and 6 square faces.
Culture of Japan
The culture of Japan has changed greatly over the millennia, from the country's prehistoric Jōmon period, to its contemporary modern culture, which absorbs influences from Asia and other regions of the world.
Culture of Korea
The traditional culture of Korea is the shared cultural and historical heritage of Korea before the division of Korea in 1945.
Culture of Vietnam
The culture of Vietnam (Văn hoá Việt Nam, 文化越南) are the customs and traditions of the Kinh people and the other ethnic groups of Vietnam.
Cyclic group
In abstract algebra, a cyclic group or monogenous group is a group, denoted Cn (also frequently \Zn or Zn, not to be confused with the commutative ring of p-adic numbers), that is generated by a single element.
Cytosine
Cytosine (symbol C or Cyt) is one of the four nucleobases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA).
See 4 and Cytosine
D
D, or d, is the fourth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.
See 4 and D
D4 polytope
In 4-dimensional geometry, there are 7 uniform 4-polytopes with reflections of D4 symmetry, all are shared with higher symmetry constructions in the B4 or F4 symmetry families.
Death
Death is the end of life; the irreversible cessation of all biological functions that sustain a living organism.
See 4 and Death
Demihypercube
In geometry, demihypercubes (also called n-demicubes, n-hemicubes, and half measure polytopes) are a class of n-polytopes constructed from alternation of an n-hypercube, labeled as hγn for being half of the hypercube family, γn.
Descender
In typography and handwriting, a descender is the portion of a letter that extends below the baseline of a font.
See 4 and Descender
Devanagari
Devanagari (देवनागरी) is an Indic script used in the northern Indian subcontinent.
See 4 and Devanagari
Dharma
Dharma (धर्म) is a key concept with multiple meanings in the Indian religions (Hinduism, Buddhism, Jainism, and Sikhism), among others.
See 4 and Dharma
Dhu al-Hijjah
Dhu al-Hijjah (also Dhu al-Hijja translit) is the twelfth and final month in the Islamic calendar.
Dhu al-Qadah
Dhu al-Qa'dah (ذُو ٱلْقَعْدَة), also spelled Dhu al-Qi'dah or Zu al-Qa'dah, is the eleventh month in the Islamic calendar.
Dhyana in Buddhism
In the oldest texts of Buddhism, dhyāna or jhāna is a component of the training of the mind (bhavana), commonly translated as meditation, to withdraw the mind from the automatic responses to sense-impressions, "burn up" the defilements, and leading to a "state of perfect equanimity and awareness (upekkhā-sati-parisuddhi)." Dhyāna may have been the core practice of pre-sectarian Buddhism, in combination with several related practices which together lead to perfected mindfulness and detachment.
Diamond
Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.
See 4 and Diamond
Differentiable manifold
In mathematics, a differentiable manifold (also differential manifold) is a type of manifold that is locally similar enough to a vector space to allow one to apply calculus.
See 4 and Differentiable manifold
Differential structure
In mathematics, an n-dimensional differential structure (or differentiable structure) on a set M makes M into an n-dimensional differential manifold, which is a topological manifold with some additional structure that allows for differential calculus on the manifold.
See 4 and Differential structure
Dihedral group
In mathematics, a dihedral group is the group of symmetries of a regular polygon, which includes rotations and reflections.
Dimension
In physics and mathematics, the dimension of a mathematical space (or object) is informally defined as the minimum number of coordinates needed to specify any point within it.
See 4 and Dimension
Disease
A disease is a particular abnormal condition that adversely affects the structure or function of all or part of an organism and is not immediately due to any external injury.
See 4 and Disease
Distributive lattice
In mathematics, a distributive lattice is a lattice in which the operations of join and meet distribute over each other.
See 4 and Distributive lattice
Division (mathematics)
Division is one of the four basic operations of arithmetic.
See 4 and Division (mathematics)
Division algebra
In the field of mathematics called abstract algebra, a division algebra is, roughly speaking, an algebra over a field in which division, except by zero, is always possible.
Divisor
In mathematics, a divisor of an integer n, also called a factor of n, is an integer m that may be multiplied by some integer to produce n. In this case, one also says that n is a multiple of m. An integer n is divisible or evenly divisible by another integer m if m is a divisor of n; this implies dividing n by m leaves no remainder.
See 4 and Divisor
DNA
Deoxyribonucleic acid (DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.
See 4 and DNA
Doctor of the Church
Doctor of the Church (Latin: doctor "teacher"), also referred to as Doctor of the Universal Church (Latin: Doctor Ecclesiae Universalis), is a title given by the Catholic Church to saints recognized as having made a significant contribution to theology or doctrine through their research, study, or writing.
See 4 and Doctor of the Church
Dodecahedron
In geometry, a dodecahedron or duodecahedron is any polyhedron with twelve flat faces.
Dollar sign
The dollar sign, also known as the peso sign, is a currency symbol consisting of a capital crossed with one or two vertical strokes (or depending on typeface), used to indicate the unit of various currencies around the world, including most currencies denominated "dollar" or "peso".
Double bass
The double bass, also known as the upright bass, the acoustic bass, or simply the bass, is the largest and lowest-pitched chordophone in the modern symphony orchestra (excluding rare additions such as the octobass).
Dual polyhedron
In geometry, every polyhedron is associated with a second dual structure, where the vertices of one correspond to the faces of the other, and the edges between pairs of vertices of one correspond to the edges between pairs of faces of the other.
Duḥkha
Duḥkha(Sanskrit: दुःख; Pali: dukkha), 'unease', "standing unstable," commonly translated as "suffering", "pain", or "unhappiness", is an important concept in Buddhism, Jainism and Hinduism.
See 4 and Duḥkha
Duoprism
In geometry of 4 dimensions or higher, a double prism or duoprism is a polytope resulting from the Cartesian product of two polytopes, each of two dimensions or higher.
See 4 and Duoprism
Dvapara Yuga
Dvapara Yuga (IAST: Dvāpara-yuga), in Hinduism, is the third and third-best of the four yugas (world ages) in a Yuga Cycle, preceded by Treta Yuga and followed by Kali Yuga.
E. J. Lowe
Edward Jonathan Lowe (24 March 1950 – 5 January 2014), usually cited as E. J. Lowe but known personally as Jonathan Lowe, was a British philosopher and academic.
See 4 and E. J. Lowe
Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
See 4 and Earth
Earth (classical element)
Earth is one of the classical elements, in some systems being one of the four along with air, fire, and water.
See 4 and Earth (classical element)
East
East is one of the four cardinal directions or points of the compass.
See 4 and East
Eastern Arabic numerals
The Eastern Arabic numerals, also called Indo-Arabic numerals, are the symbols used to represent numerical digits in conjunction with the Arabic alphabet in the countries of the Mashriq (the east of the Arab world), the Arabian Peninsula, and its variant in other countries that use the Persian numerals on the Iranian plateau and in Asia.
See 4 and Eastern Arabic numerals
Egyptian numerals
The system of ancient Egyptian numerals was used in Ancient Egypt from around 3000 BC until the early first millennium AD.
Eid al-Adha
Eid al-Adha is the second of the two main holidays in Islam alongside Eid al-Fitr.
Electromagnetism
In physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields.
English language
English is a West Germanic language in the Indo-European language family, whose speakers, called Anglophones, originated in early medieval England on the island of Great Britain.
Equilateral triangle
In geometry, an equilateral triangle is a triangle in which all three sides have the same length.
See 4 and Equilateral triangle
Etrog
Etrog (אֶתְרוֹג, plural:; Ashkenazi Hebrew:, plural) is the yellow citron or Citrus medica used by Jews during the week-long holiday of Sukkot as one of the four species.
See 4 and Etrog
Euphrates
The Euphrates (see below) is the longest and one of the most historically important rivers of Western Asia.
See 4 and Euphrates
Europa (moon)
Europa, or Jupiter II, is the smallest of the four Galilean moons orbiting Jupiter, and the sixth-closest to the planet of all the 95 known moons of Jupiter.
European Mathematical Society
The European Mathematical Society (EMS) is a European organization dedicated to the development of mathematics in Europe.
See 4 and European Mathematical Society
Exponentiation
In mathematics, exponentiation is an operation involving two numbers: the base and the exponent or power.
Ezekiel
Ezekiel, also spelled Ezechiel (יְחֶזְקֵאל; Greek), was an Israelite priest.
See 4 and Ezekiel
F
F, or f, is the sixth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.
See 4 and F
Face (geometry)
In solid geometry, a face is a flat surface (a planar region) that forms part of the boundary of a solid object; a three-dimensional solid bounded exclusively by faces is a polyhedron.
Factorization
In mathematics, factorization (or factorisation, see English spelling differences) or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler objects of the same kind.
Fallibilism
Originally, fallibilism (from Medieval Latin: fallibilis, "liable to error") is the philosophical principle that propositions can be accepted even though they cannot be conclusively proven or justified,Haack, Susan (1979).
Fantastic Four
The Fantastic Four is a superhero team appearing in American comic books published by Marvel Comics.
Fermat number
In mathematics, a Fermat number, named after Pierre de Fermat, the first known to have studied them, is a positive integer of the form:F_.
FIBA Basketball World Cup
The FIBA Basketball World Cup is an international basketball competition between the senior men's national teams of the members of the International Basketball Federation (FIBA), the sport's global governing body.
See 4 and FIBA Basketball World Cup
FIBA Women's Basketball World Cup
The FIBA Women's Basketball World Cup, also known as the Basketball World Cup for Women or simply the FIBA Women's World Cup, is an international basketball tournament for women's national teams held quadrennially.
See 4 and FIBA Women's Basketball World Cup
Fibration
The notion of a fibration generalizes the notion of a fiber bundle and plays an important role in algebraic topology, a branch of mathematics.
See 4 and Fibration
FIFA Women's World Cup
The FIFA Women's World Cup is an international association football competition contested by the senior women's national teams of the members of Fédération Internationale de Football Association (FIFA), the sport's international governing body.
See 4 and FIFA Women's World Cup
FIFA World Cup
The FIFA World Cup, often called the World Cup, is an international association football competition among the senior men's national teams of the members of the Fédération Internationale de Football Association (FIFA), the sport's global governing body.
Fiqh
Fiqh (فقه) is Islamic jurisprudence.
See 4 and Fiqh
Fire
Fire is the rapid oxidation of a material (the fuel) in the exothermic chemical process of combustion, releasing heat, light, and various reaction products.
See 4 and Fire
Fire (classical element)
Fire is one of the four classical elements along with earth, water and air in ancient Greek philosophy and science.
See 4 and Fire (classical element)
First baseman
A first baseman, abbreviated 1B, is the player on a baseball or softball team who fields the area nearest first base, the first of four bases a baserunner must touch in succession to score a run.
Floor (gymnastics)
In gymnastics, the floor is a specially prepared exercise surface, considered an apparatus.
Fly
Flies are insects of the order Diptera, the name being derived from the Greek δι- di- "two", and πτερόν pteron "wing".
See 4 and Fly
Four Asian Tigers
The Four Asian Tigers (also known as the Four Asian Dragons or Four Little Dragons in Chinese and Korean) are the developed Asian economies of Hong Kong, Singapore, South Korea, and Taiwan.
Four Cardinal Principles
The Four Cardinal Principles were stated by Deng Xiaoping in March 1979, during the early phase of Reform and Opening-up, and are the four issues for which debate was not allowed within the People's Republic of China.
See 4 and Four Cardinal Principles
Four causes
The four causes or four explanations are, in Aristotelian thought, four fundamental types of answer to the question "why?" in analysis of change or movement in nature: the material, the formal, the efficient, and the final.
Four color theorem
In mathematics, the four color theorem, or the four color map theorem, states that no more than four colors are required to color the regions of any map so that no two adjacent regions have the same color.
Four Corners Monument
The Four Corners Monument marks the quadripoint in the Southwestern United States where the states of Arizona, Colorado, New Mexico, and Utah meet.
See 4 and Four Corners Monument
Four corners of the world
Several cosmological and mythological systems portray four corners of the world or four quarters of the world corresponding approximately to the four points of the compass (or the two solstices and two equinoxes). 4 and four corners of the world are 4 (number).
See 4 and Four corners of the world
Four Evangelists
In Christian tradition, the Four Evangelists are Matthew, Mark, Luke, and John, the authors attributed with the creation of the four canonical Gospel accounts.
Four Freedoms
The Four Freedoms were goals articulated by U.S. President Franklin D. Roosevelt on Monday, January 6, 1941.
Four Heavenly Kings
The Four Heavenly Kings are four Buddhist gods or ''devas'', each of whom is believed to watch over one cardinal direction of the world.
Four Holy Cities
The Four Holy Cities of Judaism are the cities of Jerusalem, Hebron, Safed and Tiberias, which were the four main centers of Jewish life after the Ottoman conquest of Palestine.
Four Horsemen of the Apocalypse
The Four Horsemen of the Apocalypse are figures in the Book of Revelation in the New Testament of the Bible, a piece of apocalypse literature attributed to John of Patmos.
See 4 and Four Horsemen of the Apocalypse
Four Noble Truths
In Buddhism, the Four Noble Truths (caturāriyasaccāni; "The Four Arya Satya") are "the truths of the Noble Ones", the truths or realities for the "spiritually worthy ones".
Four Right Exertions
The Four Right Exertions (also known as, Four Proper Exertions, Four Right Efforts, Four Great Efforts, Four Right Endeavors or Four Right Strivings) (Pali:; Skt.: or) are an integral part of the Buddhist path to Enlightenment (understanding).
See 4 and Four Right Exertions
Four Seasons
The Four Seasons, originally referring to the traditional seasons of spring, summer, autumn, and winter (typical of a temperate climate), may refer to.
Four sights
The four sights are four events described in the legendary account of Gautama Buddha's life which led to his realization of the impermanence and the ultimate dissatisfaction of conditioned existence.
Four species
The four species (ארבעת המינים, also called arba'a minim) are four plants—the etrog, lulav, hadass, and aravah—mentioned in the Torah as being relevant to the Jewish holiday of Sukkot.
Four stages of awakening
The four stages of awakening in Early Buddhism and Theravada are four progressive stages culminating in full awakening (Bodhi) as an Arahant.
See 4 and Four stages of awakening
Four Symbols
The Four Symbols are mythological creatures appearing among the Chinese constellations along the ecliptic, and viewed as the guardians of the four cardinal directions.
Four temperaments
The four temperament theory is a proto-psychological theory which suggests that there are four fundamental personality types: sanguine, choleric, melancholic, and phlegmatic.
Four-character idiom
Four-character idiom may refer to.
See 4 and Four-character idiom
Four-corner method
The four-corner method or four-corner system is a character-input method used for encoding Chinese characters into either a computer or a manual typewriter, using four or five numerical digits per character.
Four-dimensional space
Four-dimensional space (4D) is the mathematical extension of the concept of three-dimensional space (3D). 4 and Four-dimensional space are 4 (number).
See 4 and Four-dimensional space
Four-letter word
The term four-letter word serves as a euphemism for words that are often considered profane or offensive.
Four-stroke engine
A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft.
Fourth Estate
The term Fourth Estate or fourth power refers to the press and news media both in explicit capacity of advocacy and implicit ability to frame political issues.
Fourth power
In arithmetic and algebra, the fourth power of a number n is the result of multiplying four instances of n together. 4 and fourth power are integers.
Fourth wall
The fourth wall is a performance convention in which an invisible, imaginary wall separates actors from the audience.
Franklin D. Roosevelt
Franklin Delano Roosevelt (January 30, 1882April 12, 1945), commonly known by his initials FDR, was an American politician who served as the 32nd president of the United States from 1933 until his death in 1945.
See 4 and Franklin D. Roosevelt
Franz Brentano
Franz Clemens Honoratus Hermann Josef Brentano (16 January 1838 – 17 March 1917) was a German philosopher and psychologist.
Fundamental interaction
In physics, the fundamental interactions or fundamental forces are the interactions that do not appear to be reducible to more basic interactions.
See 4 and Fundamental interaction
Furniture
Furniture refers to objects intended to support various human activities such as seating (e.g., stools, chairs, and sofas), eating (tables), storing items, working, and sleeping (e.g., beds and hammocks).
See 4 and Furniture
G
G, or g, is the seventh letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages, and others worldwide.
See 4 and G
Galilean moons
The Galilean moons, or Galilean satellites, are the four largest moons of Jupiter: Io, Europa, Ganymede, and Callisto.
Gang of Four
The Gang of Four was a Maoist political faction composed of four Chinese Communist Party (CCP) officials.
Gang of Four (band)
Gang of Four are an English post-punk band, formed in 1976 in Leeds.
Ganymede (moon)
Ganymede, or Jupiter III, is the largest and most massive natural satellite of Jupiter and in the Solar System.
Garden of Eden
In Abrahamic religions, the Garden of Eden (גַּן־עֵדֶן|gan-ʿĒḏen; Εδέμ; Paradisus) or Garden of God (גַּן־יְהֹוֶה|gan-YHWH|label.
Gas
Gas is one of the four fundamental states of matter.
See 4 and Gas
Gṛhastha
Gṛhastha (Sanskrit: गृहस्थ) literally means "being in and occupied with home, family" or "householder".
See 4 and Gṛhastha
Geʽez script
Geʽez (Gəʽəz) is a script used as an abugida (alphasyllabary) for several Afro-Asiatic and Nilo-Saharan languages of Ethiopia and Eritrea.
General relativity
General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics.
Gihon
Gihon is the name of the second river mentioned in the second chapter of the biblical Book of Genesis.
See 4 and Gihon
Globular cluster
A globular cluster is a spheroidal conglomeration of stars that is bound together by gravity, with a higher concentration of stars towards its center.
God
In monotheistic belief systems, God is usually viewed as the supreme being, creator, and principal object of faith.
See 4 and God
Gospel
Gospel (εὐαγγέλιον; evangelium) originally meant the Christian message ("the gospel"), but in the 2nd century it came to be used also for the books in which the message was reported.
See 4 and Gospel
Gospel of John
The Gospel of John (translit) is the fourth of the New Testament's four canonical gospels.
Gospel of Luke
The Gospel of Luke tells of the origins, birth, ministry, death, resurrection, and ascension of Jesus.
Gospel of Mark
The Gospel of Mark is the second of the four canonical gospels and one of the three synoptic Gospels.
Gospel of Matthew
The Gospel of Matthew is the first book of the New Testament of the Bible and one of the three synoptic Gospels.
Grand antiprism
In geometry, the grand antiprism or pentagonal double antiprismoid is a uniform 4-polytope (4-dimensional uniform polytope) bounded by 320 cells: 20 pentagonal antiprisms, and 300 tetrahedra.
Grand slam (baseball)
In baseball, a grand slam is a home run hit with all three bases occupied by baserunners ("bases loaded"), thereby scoring four runs—the most possible in one play.
See 4 and Grand slam (baseball)
Gravity
In physics, gravity is a fundamental interaction which causes mutual attraction between all things that have mass.
See 4 and Gravity
Green Dome
The Green Dome (ٱَلْقُبَّة ٱلْخَضْرَاء|al-Qubbah al-Khaḍrāʾ) is a green-coloured dome built above the tombs of the Islamic prophet Muhammad and the early Rashidun Caliphs Abu Bakr and Omar, which used to be the Noble Chamber of Aisha.
See 4 and Green Dome
Gregory of Nazianzus
Gregory of Nazianzus (Grēgorios ho Nazianzēnos; Liturgy of the Hours Volume I, Proper of Saints, 2 January. – 25 January 390), also known as Gregory the Theologian or Gregory Nazianzen, was a 4th-century archbishop of Constantinople and theologian.
See 4 and Gregory of Nazianzus
Guanine
Guanine (symbol G or Gua) is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA).
See 4 and Guanine
H
H, or h, is the eighth letter of the Latin alphabet, used in the modern English alphabet, including the alphabets of other western European languages and others worldwide.
See 4 and H
H4 polytope
In 4-dimensional geometry, there are 15 uniform polytopes with H4 symmetry.
Hadass
Hadass (Hebrew:, pl. hadassim -) is a branch of the myrtle tree that forms part of the netilat loulav used on the Jewish holiday of Sukkot.
See 4 and Hadass
Hanafi school
The Hanafi school or Hanafism (translit) is one of the four major schools of Islamic jurisprudence within Sunni Islam.
Hanbali school
The Hanbali school or Hanbalism (translit) is one of the four major schools of Islamic jurisprudence within Sunni Islam.
Harry Potter
Harry Potter is a series of seven fantasy novels written by British author J. K. Rowling.
Harshad number
In mathematics, a harshad number (or Niven number) in a given number base is an integer that is divisible by the sum of its digits when written in that base.
Heart
The heart is a muscular organ found in most animals.
See 4 and Heart
Hebrew language
Hebrew (ʿÎbrit) is a Northwest Semitic language within the Afroasiatic language family.
Hebron
Hebron (الخليل, or خَلِيل الرَّحْمَن; חֶבְרוֹן) is a Palestinian.
See 4 and Hebron
Hexagon
In geometry, a hexagon (from Greek ἕξ, hex, meaning "six", and γωνία, gonía, meaning "corner, angle") is a six-sided polygon.
See 4 and Hexagon
Hindus
Hindus (also known as Sanātanīs) are people who religiously adhere to Hinduism, also known by its endonym Sanātana Dharma.
See 4 and Hindus
Hindustani numerals
Like many Indo-Aryan languages, Hindustani (Hindi-Urdu) has a decimal numeral system that is contracted to the extent that nearly every number 1–99 is irregular, and needs to be memorized as a separate numeral.
Historical capitals of China
This is a list of historical capitals of China.
See 4 and Historical capitals of China
Hogwarts
Hogwarts School of Witchcraft and Wizardry is a fictional boarding school of magic for students aged eleven to eighteen, and is the primary setting for the first six books in J. K. Rowling's Harry Potter series and serves as a major setting in the Wizarding World universe.
See 4 and Hogwarts
Holiest sites in Islam
The holiest sites in Islam are located in the Arabian Peninsula.
See 4 and Holiest sites in Islam
Holometabola
Holometabola (from Ancient Greek "complete" + "change"), also known as Endopterygota (from "inner" + "wing" + Neo-Latin "-having"), is a superorder of insects within the infraclass Neoptera that go through distinctive larval, pupal, and adult stages.
Holometabolism
Holometabolism, also called complete metamorphosis, is a form of insect development which includes four life stages: egg, larva, pupa, and imago (or adult).
Homonym
In linguistics, homonyms are words which are either homographs—words that have the same spelling (regardless of pronunciation)—or homophones—words that have the same pronunciation (regardless of spelling)—or both.
See 4 and Homonym
Hong Kong
Hong Kong is a special administrative region of the People's Republic of China.
See 4 and Hong Kong
Hopf fibration
In the mathematical field of differential topology, the Hopf fibration (also known as the Hopf bundle or Hopf map) describes a 3-sphere (a hypersphere in four-dimensional space) in terms of circles and an ordinary sphere.
Hosohedron
In spherical geometry, an n-gonal hosohedron is a tessellation of lunes on a spherical surface, such that each lune shares the same two polar opposite vertices.
See 4 and Hosohedron
Human
Humans (Homo sapiens, meaning "thinking man") or modern humans are the most common and widespread species of primate, and the last surviving species of the genus Homo.
See 4 and Human
Humorism
Humorism, the humoral theory, or humoralism, was a system of medicine detailing a supposed makeup and workings of the human body, adopted by Ancient Greek and Roman physicians and philosophers.
See 4 and Humorism
Hurwitz's theorem (composition algebras)
In mathematics, Hurwitz's theorem is a theorem of Adolf Hurwitz (1859–1919), published posthumously in 1923, solving the Hurwitz problem for finite-dimensional unital real non-associative algebras endowed with a nondegenerate positive-definite quadratic form.
See 4 and Hurwitz's theorem (composition algebras)
Hypercube
In geometry, a hypercube is an ''n''-dimensional analogue of a square and a cube.
See 4 and Hypercube
I
I, or i, is the ninth letter and the third vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.
See 4 and I
I Ching
The I Ching or Yijing, usually translated Book of Changes or Classic of Changes, is an ancient Chinese divination text that is among the oldest of the Chinese classics.
See 4 and I Ching
Icosahedral symmetry
In mathematics, and especially in geometry, an object has icosahedral symmetry if it has the same symmetries as a regular icosahedron.
See 4 and Icosahedral symmetry
Icosahedron
In geometry, an icosahedron is a polyhedron with 20 faces.
Iddhipada
Iddhipāda (Pali; Skt. ddhipāda) is a compound term composed of "power" or "potency" (iddhi; ddhi) and "base," "basis" or "constituent" (pāda).
See 4 and Iddhipada
Immanuel Kant
Immanuel Kant (born Emanuel Kant; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers.
Insect
Insects (from Latin insectum) are hexapod invertebrates of the class Insecta.
See 4 and Insect
Integer
An integer is the number zero (0), a positive natural number (1, 2, 3,...), or the negation of a positive natural number (−1, −2, −3,...). The negations or additive inverses of the positive natural numbers are referred to as negative integers. 4 and integer are integers.
See 4 and Integer
Intel
Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California, and incorporated in Delaware.
See 4 and Intel
Interchange (Australian rules football)
Interchange (or, colloquially, the bench or interchange bench) is a team position in Australian rules football, consisting of players who are part of the selected team but are not currently on the field of play.
See 4 and Interchange (Australian rules football)
Internal combustion engine
An internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.
See 4 and Internal combustion engine
Internet protocol suite
The Internet protocol suite, commonly known as TCP/IP, is a framework for organizing the set of communication protocols used in the Internet and similar computer networks according to functional criteria.
See 4 and Internet protocol suite
Internet slang
Internet slang (also called Internet shorthand, cyber-slang, netspeak, digispeak or chatspeak) is a non-standard or unofficial form of language used by people on the Internet to communicate to one another.
Io (moon)
Io, or Jupiter I, is the innermost and second-smallest of the four Galilean moons of the planet Jupiter.
See 4 and Io (moon)
Islamic holy books
Islamic holy books are certain religious scriptures that are viewed by Muslims as having valid divine significance, in that they were authored by God (Allah) through a variety of prophets and messengers, including those who predate the Quran.
IV
IV may refer to.
See 4 and IV
Jerome
Jerome (Eusebius Sophronius Hieronymus; Εὐσέβιος Σωφρόνιος Ἱερώνυμος; – 30 September 420), also known as Jerome of Stridon, was an early Christian priest, confessor, theologian, translator, and historian; he is commonly known as Saint Jerome.
See 4 and Jerome
Jerusalem
Jerusalem is a city in the Southern Levant, on a plateau in the Judaean Mountains between the Mediterranean and the Dead Sea.
See 4 and Jerusalem
Jews
The Jews (יְהוּדִים) or Jewish people are an ethnoreligious group and nation originating from the Israelites of the ancient Near East, and whose traditional religion is Judaism.
See 4 and Jews
Jiang Qing
Jiang Qing (19 March 191414 May 1991), also known as Madame Mao, was a Chinese communist revolutionary, actress, and major political figure during the Cultural Revolution (1966–1976).
See 4 and Jiang Qing
Johannes Brahms
Johannes Brahms (7 May 1833 – 3 April 1897) was a German composer, virtuoso pianist, and conductor of the mid-Romantic period.
John Boyd (military strategist)
John Richard Boyd (January 23, 1927 – March 9, 1997) was a United States Air Force fighter pilot and Pentagon consultant during the second half of the 20th century.
See 4 and John Boyd (military strategist)
John Chrysostom
John Chrysostom (Ἰωάννης ὁ Χρυσόστομος; 14 September 407 AD) was an important Early Church Father who served as Archbishop of Constantinople.
John the Evangelist
John the Evangelist is the name traditionally given to the author of the Gospel of John. Christians have traditionally identified him with John the Apostle, John of Patmos, and John the Presbyter, although there is no consensus as to whether all of these indeed refer to the same individual.
Journalism
Journalism is the production and distribution of reports on the interaction of events, facts, ideas, and people that are the "news of the day" and that informs society to at least some degree of accuracy.
See 4 and Journalism
Judaism
Judaism (יַהֲדוּת|translit.
See 4 and Judaism
Judiciary
The judiciary (also known as the judicial system, judicature, judicial branch, judiciative branch, and court or judiciary system) is the system of courts that adjudicates legal disputes/disagreements and interprets, defends, and applies the law in legal cases.
See 4 and Judiciary
Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System.
See 4 and Jupiter
Kali Yuga
Kali Yuga, in Hinduism, is the fourth, shortest and worst of the four yugas (world ages) in a Yuga Cycle, preceded by Dvapara Yuga and followed by the next cycle's Krita (Satya) Yuga.
See 4 and Kali Yuga
Kama
Kama (Sanskrit: काम) is the concept of pleasure, enjoyment and desire in Hinduism, Buddhism, and Jainism.
See 4 and Kama
Kannada
Kannada (ಕನ್ನಡ), formerly also known as Canarese, is a Dravidian language spoken predominantly by the people of Karnataka in southwestern India, with minorities in all neighbouring states.
See 4 and Kannada
Karl Popper
Sir Karl Raimund Popper (28 July 1902 – 17 September 1994) was an Austrian–British philosopher, academic and social commentator.
Karuṇā
() is generally translated as compassion or mercy and sometimes as self-compassion or spiritual longing.
See 4 and Karuṇā
Kepler–Poinsot polyhedron
In geometry, a Kepler–Poinsot polyhedron is any of four regular star polyhedra.
See 4 and Kepler–Poinsot polyhedron
Khmer numerals
Khmer numerals are the numerals used in the Khmer language.
Kite
A kite is a tethered heavier-than-air or lighter-than-air craft with wing surfaces that react against the air to create lift and drag forces.
See 4 and Kite
Klein four-group
In mathematics, the Klein four-group is an abelian group with four elements, in which each element is self-inverse (composing it with itself produces the identity) and in which composing any two of the three non-identity elements produces the third one.
Knuth's up-arrow notation
In mathematics, Knuth's up-arrow notation is a method of notation for very large integers, introduced by Donald Knuth in 1976.
See 4 and Knuth's up-arrow notation
Kshatriya
Kshatriya (from Sanskrit, "rule, authority"; also called Rajanya) is one of the four varnas (social orders) of Hindu society and is associated with the warrior aristocracy.
See 4 and Kshatriya
Kushinagar
Kushinagar (Pali:; Sanskrit) is a town in the Kushinagar district in Uttar Pradesh, India.
See 4 and Kushinagar
Lagrange's four-square theorem
Lagrange's four-square theorem, also known as Bachet's conjecture, states that every natural number can be represented as a sum of four non-negative integer squares.
See 4 and Lagrange's four-square theorem
Leah
Leah appears in the Hebrew Bible as one of the two wives of the Biblical patriarch Jacob. Leah was Jacob's first wife, and the older sister of his second (and favored) wife Rachel. She is the mother of Jacob's first son Reuben. She has three more sons, namely Simeon, Levi and Judah, but does not bear another son until Rachel offers her a night with Jacob in exchange for some mandrake root (דודאים, dûdâ'îm).
See 4 and Leah
Leap year
A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) compared to a common year.
See 4 and Leap year
Leet
Leet (or "1337"), also known as eleet or leetspeak, is a system of modified spellings used primarily on the Internet.
See 4 and Leet
Leinster
Leinster (Laighin or Cúige Laighean) is one of the four provinces of Ireland, in the southeast of Ireland.
See 4 and Leinster
Light cone
In special and general relativity, a light cone (or "null cone") is the path that a flash of light, emanating from a single event (localized to a single point in space and a single moment in time) and traveling in all directions, would take through spacetime.
See 4 and Light cone
Liquid
A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a nearly constant volume independent of pressure.
See 4 and Liquid
List of F4 polytopes
In 4-dimensional geometry, there are 9 uniform 4-polytopes with F4 symmetry, and one chiral half symmetry, the snub 24-cell.
See 4 and List of F4 polytopes
List of highways numbered 4
Route 4, or Highway 4, may refer to several highways in the following countries.
See 4 and List of highways numbered 4
List of self-intersecting polygons
Self-intersecting polygons, crossed polygons, or self-crossing polygons are polygons some of whose edges cross each other.
See 4 and List of self-intersecting polygons
Living creatures (Bible)
The living creatures, living beings, or hayyot (Hebrew חַיּוֹת ḥayyōṯ) are a class of heavenly beings in Jewish mythology.
See 4 and Living creatures (Bible)
Lorien Legacies
Lorien Legacies is a series of young adult science fiction books, written by James Frey, Jobie Hughes, and formerly, Greg Boose, under the collective pseudonym Pittacus Lore.
Low-density polyethylene
Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene.
See 4 and Low-density polyethylene
Luke the Evangelist
Luke the Evangelist is one of the Four Evangelists—the four traditionally ascribed authors of the canonical gospels.
Lulav
Lulav (לוּלָב) is a closed frond of the date palm tree.
See 4 and Lulav
Lumbini
Lumbinī (IPA, "the lovely") is a Buddhist pilgrimage site in the Rupandehi District of Lumbini Province in Nepal.
See 4 and Lumbini
Lunar month
In lunar calendars, a lunar month is the time between two successive syzygies of the same type: new moons or full moons.
Magnetic ink character recognition
Magnetic ink character recognition code, known in short as MICR code, is a character recognition technology used mainly by the banking industry to streamline the processing and clearance of cheques and other documents.
See 4 and Magnetic ink character recognition
Mahābhūta
Mahābhūta is Sanskrit for "great element".
See 4 and Mahābhūta
Maitrī
(Sanskrit; Pali) means benevolence, loving-kindness, friendliness, amity, good will, and active interest in others.
See 4 and Maitrī
Major Arcana
The Major Arcana are the named cards in a cartomantic tarot pack.
Major scale
The major scale (or Ionian mode) is one of the most commonly used musical scales, especially in Western music.
Malayalam
Malayalam is a Dravidian language spoken in the Indian state of Kerala and the union territories of Lakshadweep and Puducherry (Mahé district) by the Malayali people.
See 4 and Malayalam
Malik ibn Anas
Malik ibn Anas (translit; –795) was an Islamic scholar and traditionalist who is the eponym of the Maliki school, one of the four schools of Islamic jurisprudence in Sunni Islam.
Maliki school
The Maliki school or Malikism (translit) is one of the four major schools of Islamic jurisprudence within Sunni Islam.
Mammal
A mammal is a vertebrate animal of the class Mammalia.
See 4 and Mammal
Mandolin
A mandolin (mandolino,; literally "small mandola") is a stringed musical instrument in the lute family and is generally plucked with a pick.
See 4 and Mandolin
Mao Zedong
Mao Zedong (26 December 1893 – 9 September 1976), also known as Chairman Mao, was a Chinese politician, Marxist theorist, military strategist, poet, and revolutionary who was the founder of the People's Republic of China (PRC).
See 4 and Mao Zedong
Map
A map is a symbolic depiction emphasizing relationships between elements of some space, such as objects, regions, or themes.
See 4 and Map
Mario Kart
is a series of kart racing games based on the Mario franchise developed and published by Nintendo.
See 4 and Mario Kart
Mark the Evangelist
Mark the Evangelist (Koinē Greek: Μᾶρκος, romanized: Mârkos), also known as John Mark (Koinē Greek: Ἰωάννης Μάρκος, romanized: Iōannēs Mârkos; Aramaic: ܝܘܚܢܢ, romanized: Yōḥannān) or Saint Mark, is the person who is traditionally ascribed to be the author of the Gospel of Mark.
Mars
Mars is the fourth planet from the Sun.
See 4 and Mars
Matter
In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume.
See 4 and Matter
Matthew the Apostle
Matthew the Apostle (Saint Matthew) (Koine Greek: Ματθαῖος, romanized: Matthaîos; Aramaic: ܡܬܝ, romanized: Mattāy) is named in the New Testament as one of the twelve apostles of Jesus.
Maya numerals
The Mayan numeral system was the system to represent numbers and calendar dates in the Maya civilization.
Melancholia
Melancholia or melancholy (from µέλαινα χολή.,Burton, Bk. I, p. 147 meaning black bile) is a concept found throughout ancient, medieval, and premodern medicine in Europe that describes a condition characterized by markedly depressed mood, bodily complaints, and sometimes hallucinations and delusions.
Mercury (planet)
Mercury is the first planet from the Sun and the smallest in the Solar System.
Messier 4
Messier 4 or M4 (also known as NGC 6121 or the Spider Globular Cluster) is a globular cluster in the constellation of Scorpius.
See 4 and Messier 4
Messier object
The Messier objects are a set of 110 astronomical objects catalogued by the French astronomer Charles Messier in his (Catalogue of Nebulae and Star Clusters).
Mitzvah
In its primary meaning, the Hebrew word (מִצְוָה, mīṣvā, plural מִצְווֹת mīṣvōt; "commandment") refers to a commandment from God to be performed as a religious duty.
See 4 and Mitzvah
Mobile phone
A mobile phone or cell phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone (landline phone).
Moksha
Moksha (मोक्ष), also called vimoksha, vimukti, and mukti, is a term in Hinduism, Buddhism, Jainism and Sikhism for various forms of emancipation, liberation, nirvana, or release.
See 4 and Moksha
Moral absolutism
Moral absolutism, commonly known as black-and-white morality, is an ethical view that most (potentially all) actions are intrinsically right or wrong, regardless of context or consequence.
Moral nihilism
Moral nihilism (also called ethical nihilism) is the meta-ethical view that nothing is morally right or morally wrong and that morality does not exist.
Moral relativism
Moral relativism or ethical relativism (often reformulated as relativist ethics or relativist morality) is used to describe several philosophical positions concerned with the differences in moral judgments across different peoples and cultures.
Moral universalism
Moral universalism (also called moral objectivism) is the meta-ethical position that some system of ethics, or a universal ethic, applies universally, that is, for "all similarly situated individuals", regardless of culture, race, sex, religion, nationality, sexual orientation, gender identity, or any other distinguishing feature.
Morse code
Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs.
See 4 and Morse code
Motor vehicle
A motor vehicle, also known as a motorized vehicle, automotive vehicle, '''automobile,''' or road vehicle, is a self-propelled land vehicle, commonly wheeled, that does not operate on rails (such as trains or trams) and is used for the transportation of people or cargo.
Mudita
Muditā (Pāli and Sanskrit: मुदिता) is a dharmic concept of joy, particularly an especially sympathetic or vicarious joy—the pleasure that comes from delighting in other people's well-being.
See 4 and Mudita
Muharram
Muharram (translit) is the first month of the Islamic calendar.
See 4 and Muharram
Multiplication
Multiplication (often denoted by the cross symbol, by the mid-line dot operator, by juxtaposition, or, on computers, by an asterisk) is one of the four elementary mathematical operations of arithmetic, with the other ones being addition, subtraction, and division.
Munster
Munster (an Mhumhain or Cúige Mumhan) is one of the four provinces of Ireland, located in the south of the island.
See 4 and Munster
Music theory
Music theory is the study of the practices and possibilities of music.
Musical notation
Musical notation is any system used to visually represent music.
N-sphere
In mathematics, an -sphere or hypersphere is an -dimensional generalization of the -dimensional circle and -dimensional sphere to any non-negative integer.
See 4 and N-sphere
Nation
A nation is a large type of social organization where a collective identity, a national identity, has emerged from a combination of shared features across a given population, such as language, history, ethnicity, culture, territory or society.
See 4 and Nation
NATO phonetic alphabet
The International Radiotelephony Spelling Alphabet or simply Radiotelephony Spelling Alphabet, commonly known as the NATO phonetic alphabet, is the most widely used set of clear-code words for communicating the letters of the Roman alphabet.
See 4 and NATO phonetic alphabet
Natural number
In mathematics, the natural numbers are the numbers 0, 1, 2, 3, etc., possibly excluding 0. 4 and natural number are integers.
Neptune
Neptune is the eighth and farthest known planet from the Sun.
See 4 and Neptune
New Mexico
New Mexico (Nuevo MéxicoIn Peninsular Spanish, a spelling variant, Méjico, is also used alongside México. According to the Diccionario panhispánico de dudas by Royal Spanish Academy and Association of Academies of the Spanish Language, the spelling version with J is correct; however, the spelling with X is recommended, as it is the one that is used in Mexican Spanish.; Yootó Hahoodzo) is a state in the Southwestern region of the United States.
See 4 and New Mexico
Nibble
In computing, a nibble (occasionally nybble, nyble, or nybl to match the spelling of byte) is a four-bit aggregation, or half an octet.
See 4 and Nibble
Nintendo
is a Japanese multinational video game company headquartered in Kyoto.
See 4 and Nintendo
Nirvana
Nirvana (निर्वाण nirvāṇa; Pali: nibbāna; Prakrit: ṇivvāṇa; literally, "blown out", as in an oil lampRichard Gombrich, Theravada Buddhism: A Social History from Ancient Benāres to Modern Colombo. Routledge) is a concept in Indian religions (Buddhism, Hinduism, Jainism, and Sikhism), the extinguishing of the passions which is the ultimate state of soteriological release and the liberation from duḥkha ('suffering') and saṃsāra, the cycle of birth and rebirth.
See 4 and Nirvana
Noble Eightfold Path
The Noble Eightfold Path or Eight Right Paths is an early summary of the path of Buddhist practices leading to liberation from samsara, the painful cycle of rebirth, in the form of nirvana.
See 4 and Noble Eightfold Path
Nokia
Nokia Corporation (natively Nokia Oyj in Finnish and Nokia Abp in Swedish, referred to as Nokia) is a Finnish multinational telecommunications, information technology, and consumer electronics corporation, originally established as a pulp mill in 1865.
See 4 and Nokia
Nokia 4.2
The Nokia 4.2 is a Nokia-branded entry-level smartphone developed by HMD Global, running the Android operating system, which was released on 14 May 2019.
See 4 and Nokia 4.2
Normed algebra
In mathematics, a normed algebra A is an algebra over a field which has a sub-multiplicative norm: Some authors require it to have a multiplicative identity 1 such that ║1║.
North
North is one of the four compass points or cardinal directions.
See 4 and North
Northern Ireland
Northern Ireland (Tuaisceart Éireann; Norlin Airlann) is a part of the United Kingdom in the north-east of the island of Ireland that is variously described as a country, province or region.
Nucleotide base
Nucleotide bases (also nucleobases, nitrogenous bases) are nitrogen-containing biological compounds that form nucleosides, which, in turn, are components of nucleotides, with all of these monomers constituting the basic building blocks of nucleic acids.
Number
A number is a mathematical object used to count, measure, and label.
See 4 and Number
Number Four
Number Four may refer to.
Numeral (linguistics)
In linguistics, a numeral in the broadest sense is a word or phrase that describes a numerical quantity.
See 4 and Numeral (linguistics)
Numerical digit
A numerical digit (often shortened to just digit) or numeral is a single symbol used alone (such as "1") or in combinations (such as "15"), to represent numbers in a positional numeral system.
Numerology
Numerology (known before the 20th century as arithmancy) is the belief in an occult, divine or mystical relationship between a number and one or more coinciding events.
See 4 and Numerology
Octahedral symmetry
A regular octahedron has 24 rotational (or orientation-preserving) symmetries, and 48 symmetries altogether.
Octahedron
In geometry, an octahedron (octahedra or octahedrons) is a polyhedron with eight faces.
See 4 and Octahedron
Octal
Octal (base 8) is a numeral system with eight as the base.
See 4 and Octal
Octave
In music, an octave (octavus: eighth) or perfect octave (sometimes called the '''diapason''') is a series of eight notes occupying the interval between (and including) two notes, one having twice the frequency of vibration of the other.
See 4 and Octave
Octonion
In mathematics, the octonions are a normed division algebra over the real numbers, a kind of hypercomplex number system.
See 4 and Octonion
Old age
Old age is the range of ages for people nearing and surpassing life expectancy.
See 4 and Old age
Oligomer
In chemistry and biochemistry, an oligomer is a molecule that consists of a few repeating units which could be derived, actually or conceptually, from smaller molecules, monomers.
See 4 and Oligomer
Olympiad
An olympiad (Ὀλυμπιάς, Olympiás) is a period of four years, particularly those associated with the ancient and modern Olympic Games.
See 4 and Olympiad
Olympic Games
The modern Olympic Games or Olympics (Jeux olympiques) are the leading international sporting events featuring summer and winter sports competitions in which thousands of athletes from around the world participate in a variety of competitions.
On the Fourfold Root of the Principle of Sufficient Reason
On the Fourfold Root of the Principle of Sufficient Reason (Ueber die vierfache Wurzel des Satzes vom zureichenden Grunde) is an elaboration on the classical principle of sufficient reason, written by German philosopher Arthur Schopenhauer as his doctoral dissertation in 1813.
See 4 and On the Fourfold Root of the Principle of Sufficient Reason
Operation (mathematics)
In mathematics, an operation is a function which takes zero or more input values (also called "operands" or "arguments") to a well-defined output value.
See 4 and Operation (mathematics)
Optical character recognition
Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and billboards in a landscape photo) or from subtitle text superimposed on an image (for example: from a television broadcast).
See 4 and Optical character recognition
Ordered field
In mathematics, an ordered field is a field together with a total ordering of its elements that is compatible with the field operations.
Palm, Inc.
Palm, Inc., was an American company that specialized in manufacturing personal digital assistants (PDAs) and developing software.
See 4 and Palm, Inc.
Paradigm
In science and philosophy, a paradigm is a distinct set of concepts or thought patterns, including theories, research methods, postulates, and standards for what constitute legitimate contributions to a field.
See 4 and Paradigm
Parity (mathematics)
In mathematics, parity is the property of an integer of whether it is even or odd. 4 and parity (mathematics) are integers.
See 4 and Parity (mathematics)
Passover
Passover, also called Pesach, is a major Jewish holidayand one of the Three Pilgrimage Festivals.
See 4 and Passover
Paul Weiss (philosopher)
Paul Weiss (May 19, 1901 – July 5, 2002) was an American philosopher.
See 4 and Paul Weiss (philosopher)
Perfect fourth
A fourth is a musical interval encompassing four staff positions in the music notation of Western culture, and a perfect fourth is the fourth spanning five semitones (half steps, or half tones).
Performing arts
The performing arts are arts such as music, dance, and drama which are performed for an audience.
Persian language
Persian, also known by its endonym Farsi (Fārsī|), is a Western Iranian language belonging to the Iranian branch of the Indo-Iranian subdivision of the Indo-European languages.
Personal digital assistant
A personal digital assistant (PDA) is a multi-purpose mobile device which functions as a personal information manager.
See 4 and Personal digital assistant
Phlegm
Phlegm (phlégma, "inflammation", "humour caused by heat") is mucus produced by the respiratory system, excluding that produced by the throat nasal passages.
See 4 and Phlegm
Pi
The number (spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.
See 4 and Pi
Pinyin
Hanyu Pinyin, or simply pinyin, is the most common romanization system for Standard Chinese.
See 4 and Pinyin
Pishon
The Pishon (Pīšōn; Koine Greek: Φισών Phisṓn) is one of four rivers (along with Hiddekel (Tigris), Perath (Euphrates) and Gihon) mentioned in the Biblical Book of Genesis.
See 4 and Pishon
Planar graph
In graph theory, a planar graph is a graph that can be embedded in the plane, i.e., it can be drawn on the plane in such a way that its edges intersect only at their endpoints.
Plasma (physics)
Plasma is one of four fundamental states of matter (the other three being solid, liquid, and gas) characterized by the presence of a significant portion of charged particles in any combination of ions or electrons.
Platonic solid
In geometry, a Platonic solid is a convex, regular polyhedron in three-dimensional Euclidean space.
Playing card
A playing card is a piece of specially prepared card stock, heavy paper, thin cardboard, plastic-coated paper, cotton-paper blend, or thin plastic that is marked with distinguishing motifs.
Point (geometry)
In geometry, a point is an abstract idealization of an exact position, without size, in physical space, or its generalization to other kinds of mathematical spaces.
Point groups in four dimensions
In geometry, a point group in four dimensions is an isometry group in four dimensions that leaves the origin fixed, or correspondingly, an isometry group of a 3-sphere.
See 4 and Point groups in four dimensions
Politics
Politics is the set of activities that are associated with making decisions in groups, or other forms of power relations among individuals, such as the distribution of resources or status.
See 4 and Politics
Polyhedron
In geometry, a polyhedron (polyhedra or polyhedrons) is a three-dimensional shape with flat polygonal faces, straight edges and sharp corners or vertices.
See 4 and Polyhedron
Polytope
In elementary geometry, a polytope is a geometric object with flat sides (faces).
See 4 and Polytope
Pope Gregory I
Pope Gregory I (Gregorius I; – 12 March 604), commonly known as Saint Gregory the Great, was the 64th Bishop of Rome from 3 September 590 to his death.
Popular music
Popular music is music with wide appeal that is typically distributed to large audiences through the music industry.
Post-punk
Post-punk (originally called new musick) is a broad genre of music that emerged in 1977 in the wake of punk rock.
See 4 and Post-punk
Power associativity
In mathematics, specifically in abstract algebra, power associativity is a property of a binary operation that is a weak form of associativity.
Power forward
The power forward (PF), also known as the four, is one of the five traditional positions in a regulation basketball game.
Pratītyasamutpāda
Pratītyasamutpāda (Sanskrit: प्रतीत्यसमुत्पाद, Pāli: paṭiccasamuppāda), commonly translated as dependent origination, or dependent arising, is a key doctrine in Buddhism shared by all schools of Buddhism.
Prime number
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers.
Printing
Printing is a process for mass reproducing text and images using a master form or template.
See 4 and Printing
Prism (geometry)
In geometry, a prism is a polyhedron comprising an polygon base, a second base which is a translated copy (rigidly moved without rotation) of the first, and other faces, necessarily all parallelograms, joining corresponding sides of the two bases.
Profanity
Profanity, also known as swearing, cursing, or cussing, involves the use of notionally offensive words for a variety of purposes, including to demonstrate disrespect or negativity, to relieve pain, to express a strong emotion, as a grammatical intensifier or emphasis, or to express informality or conversational intimacy.
See 4 and Profanity
Provinces of Ireland
There are four provinces of Ireland: Connacht, Leinster, Munster and Ulster.
See 4 and Provinces of Ireland
Pseudoscience
Pseudoscience consists of statements, beliefs, or practices that claim to be both scientific and factual but are incompatible with the scientific method.
Public administration
Public administration, or public policy and administration refers to "the management of public programs", or the "translation of politics into the reality that citizens see every day",Kettl, Donald and James Fessler.
See 4 and Public administration
Puruṣārtha
Purushartha (Sanskrit: पुरुषार्थ, IAST) literally means "object(ive) of men".
See 4 and Puruṣārtha
Quadrilateral
In geometry a quadrilateral is a four-sided polygon, having four edges (sides) and four corners (vertices). 4 and quadrilateral are 4 (number).
Quarter note
A quarter note (American) or crotchet (British) is a musical note played for one quarter of the duration of a whole note (or semibreve).
Quaternary numeral system
Quaternary is a numeral system with four as its base.
See 4 and Quaternary numeral system
Quaternion
In mathematics, the quaternion number system extends the complex numbers.
See 4 and Quaternion
Quattro (four-wheel-drive system)
Quattro (meaning four in Italian and stylized in lower case) is the trademark used by the automotive brand Audi to indicate that all-wheel drive (AWD) technologies or systems are used on specific models of its automobiles.
See 4 and Quattro (four-wheel-drive system)
Rachel
Rachel was a Biblical figure, the favorite of Jacob's two wives, and the mother of Joseph and Benjamin, two of the twelve progenitors of the tribes of Israel.
See 4 and Rachel
Rajab
Rajab (رَجَب) is the seventh month of the Islamic calendar.
See 4 and Rajab
Rashidun
The Rashidun (lit) are the first four caliphs (lit.: 'successors') who led the Muslim community following the death of Muhammad: Abu Bakr, Umar, Uthman, and Ali.
See 4 and Rashidun
Rational number
In mathematics, a rational number is a number that can be expressed as the quotient or fraction of two integers, a numerator and a non-zero denominator.
Real number
In mathematics, a real number is a number that can be used to measure a continuous one-dimensional quantity such as a distance, duration or temperature.
Rebecca
Rebecca appears in the Hebrew Bible as the wife of Isaac and the mother of Jacob and Esau. According to biblical tradition, Rebecca's father was Bethuel the Aramean from Paddan Aram, also called Aram-Naharaim. Rebecca's brother was Laban the Aramean, and she was the granddaughter of Milcah and Nahor, the brother of Abraham.
See 4 and Rebecca
Rectangle
In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles.
See 4 and Rectangle
Regular dodecahedron
A regular dodecahedron or pentagonal dodecahedron is a dodecahedron composed of regular pentagonal faces, three meeting at each vertex.
See 4 and Regular dodecahedron
Regular polygon
In Euclidean geometry, a regular polygon is a polygon that is direct equiangular (all angles are equal in measure) and equilateral (all sides have the same length).
Regular polyhedron
A regular polyhedron is a polyhedron whose symmetry group acts transitively on its flags.
Regular polytope
In mathematics, a regular polytope is a polytope whose symmetry group acts transitively on its flags, thus giving it the highest degree of symmetry.
Resin identification code
The ASTM International Resin Identification Coding System, often abbreviated RIC, is a set of symbols appearing on plastic products that identify the plastic resin out of which the product is made.
See 4 and Resin identification code
Rhombus
In plane Euclidean geometry, a rhombus (rhombi or rhombuses) is a quadrilateral whose four sides all have the same length.
See 4 and Rhombus
Rich Text Format
) As an example, the following RTF code would be rendered as follows: This is some bold text.
Richard McKeon
Richard McKeon (April 26, 1900 – March 31, 1985) was an American philosopher and longtime professor at the University of Chicago.
RNA
Ribonucleic acid (RNA) is a polymeric molecule that is essential for most biological functions, either by performing the function itself (non-coding RNA) or by forming a template for the production of proteins (messenger RNA).
See 4 and RNA
Rock and roll
Rock and roll (often written as rock & roll, rock-n-roll, rock 'n' roll, rock n' roll or Rock n' Roll) is a genre of popular music that evolved in the United States during the late 1940s and early 1950s.
Rowing (sport)
Rowing, often called crew in the United States, is the sport of racing boats using oars.
Rugby league
Rugby league football, commonly known as rugby league in English-speaking countries and rugby XIII in non-Anglophone Europe and South America, and referred to colloquially as football, footy or league in its heartlands, is a full-contact sport played by two teams of thirteen players on a rectangular field measuring wide and long with H-shaped posts at both ends.
Rugby union
Rugby union football, commonly known simply as rugby union or more often just rugby, is a close-contact team sport that originated at Rugby School in England in the first half of the 19th century.
Rugby union bonus points system
Bonus points are group tournament points awarded in rugby union tournaments in addition to the standard points for winning or drawing a match.
See 4 and Rugby union bonus points system
Rugby union positions
In the game of rugby union, there are 15 players on each team, comprising eight forwards (wearing jerseys numbered 1–8) and seven backs (numbered 9–15).
See 4 and Rugby union positions
Rugby World Cup
The Men's Rugby World Cup is a rugby union tournament contested every four years between the top international teams, the winners of which are recognised as the World champions of the sport.
Safed
Safed (also known as Tzfat; צְפַת, Ṣəfaṯ; صفد, Ṣafad) is a city in the Northern District of Israel.
See 4 and Safed
Sakadagami
In Buddhism, the Sakadāgāmin (Pali; Sanskrit: Sakṛdāgāmin), "returning once" or "once-returner," is a partially enlightened person, who has cut off the first three chains with which the ordinary mind is bound, and significantly weakened the fourth and fifth.
See 4 and Sakadagami
Sanguine
Sanguine or red chalk is chalk of a reddish-brown color, so called because it resembles the color of dried blood.
See 4 and Sanguine
Sannyasa
Sannyasa (Sanskrit: संन्यास; IAST), sometimes spelled Sanyasa or Sanyasi (for the person), is life of renunciation and the fourth stage within the Hindu system of four life stages known as Ashramas, with the first three being Brahmacharya (on the path of Brahma), Grihastha (householder) and Vanaprastha (forest dweller, retired).
See 4 and Sannyasa
Sarah
Sarah (born Sarai) is a biblical matriarch, prophet, and major figure in Abrahamic religions.
See 4 and Sarah
Sarnath
Sarnath (also referred to as Sarangnath, Isipatana, Rishipattana, Migadaya, or Mrigadava) is a place located northeast of Varanasi, near the confluence of the Ganges and the Varuna rivers in Uttar Pradesh, India.
See 4 and Sarnath
Satipatthana
Satipatthana (italic; italic) is a central practice in the Buddha's teachings, meaning "the establishment of mindfulness" or "presence of mindfulness", or alternatively "foundations of mindfulness", aiding the development of a wholesome state of mind.
Saturn
Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter.
See 4 and Saturn
Satya Yuga
Satya Yuga (Krita Yuga) (IAST: Kṛta-yuga), in Hinduism, is the first and best of the four yugas (world ages) in a Yuga Cycle, preceded by Kali Yuga of the previous cycle and followed by Treta Yuga.
See 4 and Satya Yuga
Scorpius
Scorpius is a zodiac constellation located in the Southern celestial hemisphere, where it sits near the center of the Milky Way, between Libra to the west and Sagittarius to the east.
See 4 and Scorpius
Scotland
Scotland (Scots: Scotland; Scottish Gaelic: Alba) is a country that is part of the United Kingdom.
See 4 and Scotland
Season
A season is a division of the year based on changes in weather, ecology, and the number of daylight hours in a given region.
See 4 and Season
Second baseman
In baseball and softball, second baseman, abbreviated 2B, is a fielding position in the infield, between second and first base.
Sedenion
In abstract algebra, the sedenions form a 16-dimensional noncommutative and nonassociative algebra over the real numbers, usually represented by the capital letter S, boldface or blackboard bold \mathbb S. They are obtained by applying the Cayley–Dickson construction to the octonions, and as such the octonions are isomorphic to a subalgebra of the sedenions.
See 4 and Sedenion
Semiprime
In mathematics, a semiprime is a natural number that is the product of exactly two prime numbers.
See 4 and Semiprime
Seven-segment display
A seven-segment display is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays.
See 4 and Seven-segment display
Shafi'i school
The Shafi'i school or Shafi'ism (translit) is one of the four major schools of Islamic jurisprudence within Sunni Islam.
Shahmukhi
Shahmukhi is the right-to-left abjad-based script developed from the Perso-Arabic alphabet used for the Punjabi language varieties, predominantly in Punjab, Pakistan.
See 4 and Shahmukhi
Shift key
The Shift key is a modifier key on a keyboard, used to type capital letters and other alternate "upper" characters.
See 4 and Shift key
Shudra
Shudra or Shoodra (Sanskrit) is one of the four varnas of the Hindu caste and social system in ancient India.
See 4 and Shudra
Shunga Empire
The Shunga dynasty (IAST) was the Fifth ruling dynasty of Magadha and controlled most of the northern Indian subcontinent from around 187 to 73 BCE.
Sign-value notation
A sign-value notation represents numbers using a sequence of numerals which each represent a distinct quantity, regardless of their position in the sequence.
Silicon
Silicon is a chemical element; it has symbol Si and atomic number 14.
See 4 and Silicon
Simple group
In mathematics, a simple group is a nontrivial group whose only normal subgroups are the trivial group and the group itself.
Simplex
In geometry, a simplex (plural: simplexes or simplices) is a generalization of the notion of a triangle or tetrahedron to arbitrary dimensions.
See 4 and Simplex
Sindhi language
Sindhi (or सिन्धी) is an Indo-Aryan language spoken by about 30 million people in the Pakistani province of Sindh, where it has official status.
Singapore
Singapore, officially the Republic of Singapore, is an island country and city-state in maritime Southeast Asia.
See 4 and Singapore
Slavic paganism
Slavic paganism, Slavic mythology, or Slavic religion is the religious beliefs, myths, and ritual practices of the Slavs before Christianisation, which occurred at various stages between the 8th and the 13th century.
Solar System
The Solar SystemCapitalization of the name varies.
Solid
Solid is one of the four fundamental states of matter along with liquid, gas, and plasma.
See 4 and Solid
Solution in radicals
A solution in radicals or algebraic solution is a closed-form expression, and more specifically a closed-form algebraic expression, that is the solution of a polynomial equation, and relies only on addition, subtraction, multiplication, division, raising to integer powers, and the extraction of nth roots (square roots, cube roots, and other integer roots).
See 4 and Solution in radicals
Sorani
Sorani Kurdish (rtl, Kurmancîy Xwarû), also known as Central Kurdish, is a Kurdish dialect or a language spoken in Iraq, mainly in Iraqi Kurdistan, as well as the provinces of Kurdistan, Kermanshah, and West Azerbaijan in western Iran.
See 4 and Sorani
Sotāpanna
In Buddhism, a sotāpanna (Pali) or śrotāpanna (Sanskrit) (Burmese: သောတာပန်; Tibetan: རྒྱུན་ཞུགས་; Wylie: rgyun zhugs)—interpreted variously as a "stream-enterer", "stream-winner", or "stream-entrant"—is a person who has seen the dharma and thereby has dropped the first three fetters (Pāli: samyojana; Sanskrit: saṃyojana) that bind a being to a possible rebirth in one of the three lower realms (animals, hungry ghosts, and beings suffering in and from hellish states), namely self-view (sakkāya-ditthi), clinging to rites and rituals (sīlabbata-parāmāsa), and skeptical indecision (Vicikitsa).
See 4 and Sotāpanna
South
South is one of the cardinal directions or compass points.
See 4 and South
South Korea
South Korea, officially the Republic of Korea (ROK), is a country in East Asia.
Space
Space is a three-dimensional continuum containing positions and directions.
See 4 and Space
Spacetime
In physics, spacetime, also called the space-time continuum, is a mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.
See 4 and Spacetime
Special relativity
In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time.
Spherical polyhedron
In geometry, a spherical polyhedron or spherical tiling is a tiling of the sphere in which the surface is divided or partitioned by great arcs into bounded regions called spherical polygons.
See 4 and Spherical polyhedron
Spring (season)
Spring, also known as springtime, is one of the four temperate seasons, succeeding winter and preceding summer.
Square
In Euclidean geometry, a square is a regular quadrilateral, which means that it has four sides of equal length and four equal angles (90-degree angles, π/2 radian angles, or right angles). 4 and square are 4 (number).
See 4 and Square
Square (algebra)
In mathematics, a square is the result of multiplying a number by itself.
Square number
In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself. 4 and square number are integers.
Square of opposition
In term logic (a branch of philosophical logic), the square of opposition is a diagram representing the relations between the four basic categorical propositions.
See 4 and Square of opposition
Star polygon
In geometry, a star polygon is a type of non-convex polygon.
Star polyhedron
In geometry, a star polyhedron is a polyhedron which has some repetitive quality of nonconvexity giving it a star-like visual quality.
Statistical mechanics
In physics, statistical mechanics is a mathematical framework that applies statistical methods and probability theory to large assemblies of microscopic entities.
See 4 and Statistical mechanics
Stellar classification
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
See 4 and Stellar classification
Stellation
In geometry, stellation is the process of extending a polygon in two dimensions, a polyhedron in three dimensions, or, in general, a polytope in n dimensions to form a new figure.
See 4 and Stellation
Stoicism
Stoicism is a school of Hellenistic philosophy that flourished in Ancient Greece and Ancient Rome.
See 4 and Stoicism
Strike zone
In baseball, the strike zone is the volume of space through which a pitch must pass in order to be called a strike even if the batter does not swing.
Strong interaction
In nuclear physics and particle physics, the strong interaction, also called the strong force or strong nuclear force, is a fundamental interaction that confines quarks into protons, neutrons, and other hadron particles.
Subdominant
In music, the subdominant is the fourth tonal degree of the diatonic scale.
Subgiant
A subgiant is a star that is brighter than a normal main-sequence star of the same spectral class, but not as bright as giant stars.
See 4 and Subgiant
Subtraction
Subtraction (which is signified by the minus sign) is one of the four arithmetic operations along with addition, multiplication and division.
Sukkot
Sukkot is a Torah-commanded holiday celebrated for seven days, beginning on the 15th day of the month of Tishrei.
See 4 and Sukkot
Summer
Summer is the hottest and brightest of the four temperate seasons, occurring after spring and before autumn.
See 4 and Summer
Sunni Islam
Sunni Islam is the largest branch of Islam, followed by 85–90% of the world's Muslims, and simultaneously the largest religious denomination in the world.
Super League
The Super League (officially known as the Betfred Super League due to sponsorship from Betfred, and legally known as Super League Europe) is the top-level of the British rugby league system.
Super-prime
Super-prime numbers, also known as higher-order primes or prime-indexed primes (PIPs), are the subsequence of prime numbers that occupy prime-numbered positions within the sequence of all prime numbers.
Supreme Court of the United States
The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States.
See 4 and Supreme Court of the United States
Svetovit
Svetovit, also known as Sventovit and Svantovit amongst other variants, is the god of abundance and war, and the chief god of the Slavic tribe of the Rani, and later of all the Polabian Slavs.
See 4 and Svetovit
Swastika
The swastika (卐 or 卍) is an ancient religious and cultural symbol, predominantly found in various Eurasian cultures, as well as some African and American ones.
See 4 and Swastika
Symphony
A symphony is an extended musical composition in Western classical music, most often for orchestra.
See 4 and Symphony
Syr Darya
The Syr Darya, historically known as the Jaxartes (Ἰαξάρτης), is a river in Central Asia.
See 4 and Syr Darya
Taiwan
Taiwan, officially the Republic of China (ROC), is a country in East Asia.
See 4 and Taiwan
Tamil language
Tamil (தமிழ்) is a Dravidian language natively spoken by the Tamil people of South Asia.
Tarot
Tarot (first known as trionfi and later as tarocchi or tarocks) is a pack of playing cards, used from at least the mid-15th century in various parts of Europe to play card games such as Tarocchini.
See 4 and Tarot
Teenage Mutant Ninja Turtles
Teenage Mutant Ninja Turtles, commonly abbreviated as TMNT, is a media franchise created by the comic book artists Kevin Eastman and Peter Laird.
See 4 and Teenage Mutant Ninja Turtles
Television station
A television station is a set of equipment managed by a business, organisation or other entity such as an amateur television (ATV) operator, that transmits video content and audio content via radio waves directly from a transmitter on the earth's surface to any number of tuned receivers simultaneously.
Telugu language
Telugu (తెలుగు|) is a Dravidian language native to the Indian states of Andhra Pradesh and Telangana, where it is also the official language.
Tessellation
A tessellation or tiling is the covering of a surface, often a plane, using one or more geometric shapes, called tiles, with no overlaps and no gaps.
Tesseract
In geometry, a tesseract or 4-cube is a four-dimensional hypercube, analogous to a two-dimensional square and a three-dimensional cube.
See 4 and Tesseract
Tetragrammaton
The Tetragrammaton, or the Tetragram, is the four-letter Hebrew theonym (transliterated as YHWH or YHVH), the name of God in the Hebrew Bible.
Tetrahedral number
A tetrahedral number, or triangular pyramidal number, is a figurate number that represents a pyramid with a triangular base and three sides, called a tetrahedron.
Tetrahedral symmetry
A regular tetrahedron, an example of a solid with full tetrahedral symmetry A regular tetrahedron has 12 rotational (or orientation-preserving) symmetries, and a symmetry order of 24 including transformations that combine a reflection and a rotation.
See 4 and Tetrahedral symmetry
Tetrahedral-octahedral honeycomb
The tetrahedral-octahedral honeycomb, alternated cubic honeycomb is a quasiregular space-filling tessellation (or honeycomb) in Euclidean 3-space.
See 4 and Tetrahedral-octahedral honeycomb
Tetrahedron
In geometry, a tetrahedron (tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertices.
Tetramer
A tetramer (tetra-, "four" + -mer, "parts") is an oligomer formed from four monomers or subunits.
See 4 and Tetramer
Tetraphobia
Tetraphobia is the practice of avoiding instances of the digit.
Tetrapod
A tetrapod is any four-limbed vertebrate animal of the superclass Tetrapoda.
See 4 and Tetrapod
Tetris
Tetris (Тетрис) is a puzzle video game created in 1985 by Alexey Pajitnov, a Soviet software engineer.
See 4 and Tetris
Text figures
Text figures (also known as non-lining, lowercase, old style, ranging, hanging, medieval, billing, or antique figures or numerals) are numerals designed with varying heights in a fashion that resembles a typical line of running text, hence the name.
Thai numerals
Thai numerals (เลขไทย) are a set of numerals traditionally used in Thailand, although the Arabic numerals are more common due to extensive westernization of Thailand in the modern Rattanakosin period.
The Beatles
The Beatles were an English rock band formed in Liverpool in 1960, comprising John Lennon, Paul McCartney, George Harrison and Ringo Starr.
The Emperor (tarot card)
The Emperor (IV) is the fourth trump or Major Arcana card in traditional tarot decks.
See 4 and The Emperor (tarot card)
The Penguin Dictionary of Curious and Interesting Numbers
The Penguin Dictionary of Curious and Interesting Numbers is a reference book for recreational mathematics and elementary number theory written by David Wells.
See 4 and The Penguin Dictionary of Curious and Interesting Numbers
The Twelve Days of Christmas (song)
"The Twelve Days of Christmas" is an English Christmas carol.
See 4 and The Twelve Days of Christmas (song)
Third baseman
A third baseman, abbreviated 3B, is the player in baseball or softball whose responsibility is to defend the area nearest to third base — the third of four bases a baserunner must touch in succession to score a run.
Three-dimensional space
In geometry, a three-dimensional space (3D space, 3-space or, rarely, tri-dimensional space) is a mathematical space in which three values (coordinates) are required to determine the position of a point.
See 4 and Three-dimensional space
Thymine
---> Thymine (symbol T or Thy) is one of the four nucleobases in the nucleic acid of DNA that are represented by the letters G–C–A–T.
See 4 and Thymine
Tiberias
Tiberias (טְבֶרְיָה,; Ṭabariyyā) is an Israeli city on the western shore of the Sea of Galilee.
See 4 and Tiberias
Tigris
The Tigris (see below) is the eastern of the two great rivers that define Mesopotamia, the other being the Euphrates.
See 4 and Tigris
Time
Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, and into the future.
See 4 and Time
Time signature
A time signature (also known as meter signature, metre signature, and measure signature) is a convention in Western music notation that specifies how many note values of a particular type are contained in each measure (bar).
Tonic (music)
In music, the tonic is the first scale degree of the diatonic scale (the first note of a scale) and the tonal center or final resolution tone that is commonly used in the final cadence in tonal (musical key-based) classical music, popular music, and traditional music.
Treta Yuga
Treta Yuga (IAST: Tretā-yuga), in Hinduism, is the second and second-best of the four yugas (world ages) in a Yuga Cycle, preceded by Krita (Satya) Yuga and followed by Dvapara Yuga.
See 4 and Treta Yuga
Trichotomy (philosophy)
A trichotomy is a three-way classificatory division.
See 4 and Trichotomy (philosophy)
Trope (philosophy)
Trope denotes figurative and metaphorical language and one which has been used in various technical senses.
Trump (card games)
A trump is a playing card which is elevated above its usual rank in trick-taking games.
Truncation
In mathematics and computer science, truncation is limiting the number of digits right of the decimal point.
See 4 and Truncation
Truth value
In logic and mathematics, a truth value, sometimes called a logical value, is a value indicating the relation of a proposition to truth, which in classical logic has only two possible values (true or false).
Try (rugby)
A try is a way of scoring points in rugby union and rugby league football.
Twin prime
A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair or In other words, a twin prime is a prime that has a prime gap of two.
See 4 and Twin prime
Typeface
A typeface (or font family) is a design of letters, numbers and other symbols, to be used in printing or for electronic display.
See 4 and Typeface
U.S. state
In the United States, a state is a constituent political entity, of which there are 50.
See 4 and U.S. state
Ukulele
The ukulele (from ukulele, approximately), also called a uke, is a member of the lute family of instruments of Portuguese origin and popularized in Hawaii.
See 4 and Ukulele
Ulster
Ulster (Ulaidh or Cúige Uladh; Ulstèr or Ulster) is one of the four traditional or historic Irish provinces.
See 4 and Ulster
Umar
Umar ibn al-Khattab (ʿUmar ibn al-Khaṭṭāb), also spelled Omar, was the second Rashidun caliph, ruling from August 634, when he succeeded Abu Bakr as the second caliph, until his assassination in 644.
See 4 and Umar
Uneven bars
The uneven bars or asymmetric bars is an artistic gymnastics apparatus.
Ungulate
Ungulates are members of the diverse clade Euungulata ("true ungulates"), which primarily consists of large mammals with hooves.
See 4 and Ungulate
Uniform 4-polytope
In geometry, a uniform 4-polytope (or uniform polychoron) is a 4-dimensional polytope which is vertex-transitive and whose cells are uniform polyhedra, and faces are regular polygons.
Uniform antiprismatic prism
In 4-dimensional geometry, a uniform antiprismatic prism or antiduoprism is a uniform 4-polytope with two uniform antiprism cells in two parallel 3-space hyperplanes, connected by uniform prisms cells between pairs of faces.
See 4 and Uniform antiprismatic prism
Uniform polyhedron
In geometry, a uniform polyhedron has regular polygons as faces and is vertex-transitive—there is an isometry mapping any vertex onto any other.
Uniform polytope
In geometry, a uniform polytope of dimension three or higher is a vertex-transitive polytope bounded by uniform facets.
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of the continental mainland.
Upekṣā
(upekkhā) is the Buddhist concept of equanimity.
See 4 and Upekṣā
Uracil
Uracil (symbol U or Ura) is one of the four nucleobases in the nucleic acid RNA.
See 4 and Uracil
Uranus
Uranus is the seventh planet from the Sun.
See 4 and Uranus
Utah
Utah is a landlocked state in the Mountain West subregion of the Western United States.
See 4 and Utah
Uthman
Uthman ibn Affan (translit; 17 June 656) was the third caliph, ruling from 644 until his assassination in 656.
See 4 and Uthman
Vaishya
Vaishya (Sanskrit: वैश्य, vaiśya) is one of the four varnas of the Vedic Hindu social order in India.
See 4 and Vaishya
Valence (chemistry)
In chemistry, the valence (US spelling) or valency (British spelling) of an atom is a measure of its combining capacity with other atoms when it forms chemical compounds or molecules.
Vault (gymnastics)
The vault is an artistic gymnastics apparatus which gymnasts perform on, as well as the event performed on that apparatus.
Vānaprastha
Vānaprastha (वानप्रस्थ) literally meaning 'way of the forest' or 'forest road', is the third stage in the 'Chaturasrama' system of Hinduism.
Vector space
In mathematics and physics, a vector space (also called a linear space) is a set whose elements, often called ''vectors'', can be added together and multiplied ("scaled") by numbers called ''scalars''.
Vedas
The Vedas are ancient Sanskrit texts of Hinduism. Above: A page from the ''Atharvaveda''. The Vedas are a large body of religious texts originating in ancient India.
See 4 and Vedas
Vehicle
A vehicle is a machine designed for self-propulsion, usually to transport people, cargo, or both.
See 4 and Vehicle
Venus
Venus is the second planet from the Sun.
See 4 and Venus
Viola
The viola is a string instrument that is usually bowed.
See 4 and Viola
Violin
The violin, colloquially known as a fiddle, is a wooden chordophone, and is the smallest, and thus highest-pitched instrument (soprano) in regular use in the violin family.
See 4 and Violin
Wales
Wales (Cymru) is a country that is part of the United Kingdom.
See 4 and Wales
Water
Water is an inorganic compound with the chemical formula.
See 4 and Water
Water (classical element)
Water is one of the classical elements in ancient Greek philosophy along with air, earth and fire, in the Asian Indian system Panchamahabhuta, and in the Chinese cosmological and physiological system Wu Xing.
See 4 and Water (classical element)
Weak interaction
In nuclear physics and particle physics, the weak interaction, also called the weak force, is one of the four known fundamental interactions, with the others being electromagnetism, the strong interaction, and gravitation.
West
West is one of the four cardinal directions or points of the compass.
See 4 and West
Weyl group
In mathematics, in particular the theory of Lie algebras, the Weyl group (named after Hermann Weyl) of a root system Φ is a subgroup of the isometry group of that root system.
See 4 and Weyl group
Wheel
A wheel is a rotating component (typically circular in shape) that is intended to turn on an axle bearing.
See 4 and Wheel
Wing
A wing is a type of fin that produces lift while moving through air or some other fluid.
See 4 and Wing
Winter
Winter is the coldest and darkest season of the year in polar and temperate climates.
See 4 and Winter
Wisdom tooth
The third molar, commonly called wisdom tooth, is the most posterior of the three molars in each quadrant of the human dentition.
Wythoff construction
In geometry, a Wythoff construction, named after mathematician Willem Abraham Wythoff, is a method for constructing a uniform polyhedron or plane tiling.
See 4 and Wythoff construction
Yuga
A yuga, in Hinduism, is generally used to indicate an age of time.
See 4 and Yuga
Zero divisor
In abstract algebra, an element of a ring is called a left zero divisor if there exists a nonzero in such that, or equivalently if the map from to that sends to is not injective.
Zia people (New Mexico)
The Zia or Tsʾíiyʾamʾé are an indigenous nation centered at Zia Pueblo (Tsi'ya), a Native American reservation in the U.S. state of New Mexico.
See 4 and Zia people (New Mexico)
Zodiac
The zodiac is a belt-shaped region of the sky that extends approximately 8° north and south (as measured in celestial latitude) of the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year.
See 4 and Zodiac
0
0 (zero) is a number representing an empty quantity. 4 and 0 are integers.
See 4 and 0
1
1 (one, unit, unity) is a number representing a single or the only entity. 4 and 1 are integers.
See 4 and 1
12 (number)
12 (twelve) is the natural number following 11 and preceding 13. 4 and 12 (number) are integers.
120-cell
In geometry, the 120-cell is the convex regular 4-polytope (four-dimensional analogue of a Platonic solid) with Schläfli symbol.
See 4 and 120-cell
16 (number)
16 (sixteen) is the natural number following 15 and preceding 17. 4 and 16 (number) are integers.
16-cell
In geometry, the 16-cell is the regular convex 4-polytope (four-dimensional analogue of a Platonic solid) with Schläfli symbol.
See 4 and 16-cell
16-cell honeycomb
In four-dimensional Euclidean geometry, the 16-cell honeycomb is one of the three regular space-filling tessellations (or honeycombs), represented by Schläfli symbol, and constructed by a 4-dimensional packing of 16-cell facets, three around every face.
17 (number)
17 (seventeen) is the natural number following 16 and preceding 18. 4 and 17 (number) are integers.
2
2 (two) is a number, numeral and digit. 4 and 2 are integers.
See 4 and 2
24-cell
In four-dimensional geometry, the 24-cell is the convex regular 4-polytope (four-dimensional analogue of a Platonic solid) with Schläfli symbol.
See 4 and 24-cell
24-cell honeycomb
In four-dimensional Euclidean geometry, the 24-cell honeycomb, or icositetrachoric honeycomb is a regular space-filling tessellation (or honeycomb) of 4-dimensional Euclidean space by regular 24-cells.
3
3 (three) is a number, numeral and digit. 4 and 3 are integers.
See 4 and 3
4 (disambiguation)
4 is a number, numeral, and digit.
4 BC
Year 4 BC was a common year starting on Tuesday or Wednesday (link will display the full calendar) of the Julian calendar (the sources differ, see leap year error for further information) and a common year starting on Monday of the Proleptic Julian calendar.
See 4 and 4 BC
5
5 (five) is a number, numeral and digit. 4 and 5 are integers.
See 4 and 5
5-cell
In geometry, the 5-cell is the convex 4-polytope with Schläfli symbol.
See 4 and 5-cell
6
6 (six) is the natural number following 5 and preceding 7. 4 and 6 are integers.
See 4 and 6
600-cell
In geometry, the 600-cell is the convex regular 4-polytope (four-dimensional analogue of a Platonic solid) with Schläfli symbol.
See 4 and 600-cell
64 (number)
64 (sixty-four) is the natural number following 63 and preceding 65. 4 and 64 (number) are integers.
7
7 (seven) is the natural number following 6 and preceding 8. 4 and 7 are integers.
See 4 and 7
See also
4 (number)
- 4
- Final four
- Four Big Things
- Four Marks of the Church
- Four Modernizations
- Four Policemen
- Four Seas
- Four Worlds
- Four continents
- Four corners of the world
- Four kingdoms of Daniel
- Four last things
- Four-dimensional space
- Fourth Doctor
- Fourth television network
- Quadrilateral
- Quadrivium
- Quadrupedalism
- Quadruple Alliance (1815)
- Quartets
- Quartile
- Square
- Tetralogies
- Tetramers (chemistry)
- Tetrapods
- The four woes of Jesus
References
Also known as 1 B2, 1B2, 2**2, 2^2, 2², 4 (number), 4️⃣, ASCII 52, Brahmin cross, Four (number), IV (number), Number 4, U+0034, \x34, , ٤.
, Augustine of Hippo, Australian Football League, Australian rules football, Autumn, B4 polytope, Babylonian cuneiform numerals, Balance beam, Base on balls, Baseball, Baseball field, Basil of Caesarea, Basketball, Bass guitar, Bengali language, Beryllium, Big Four, Bit, BlackBerry Pearl, Blood, Boat, Bodh Gaya, Book of Genesis, Book of Revelation, Boundary (cricket), Brahma, Brahmacharya, Brahmana, Brahmavihara, Brahmi numerals, Bravais lattice, Buddhist pilgrimage sites, Burmese language, Byte, Caliphate, Callisto (moon), Canadian Aboriginal syllabics, Cancer (constellation), Canine tooth, Car, Carbon, Cardinal direction, Cardinal virtues, Carnivora, Cayley–Dickson construction, Cello, Certiorari, Channel 4 (disambiguation), Charles Sanders Peirce, Chinese Communist Party, Chinese culture, Chinese language, Chinese numerals, Chinese numerology, Chordate, Circle, Circle of fifths, Cleanup hitter, CMYK color model, Color printing, Colorado, Commercial vehicle, Commutative property, Complex number, Composite number, Computer keyboard, Connacht, Continued fraction, Convex polytope, Counting rods, Coxeter group, Coxswain, Credit card, Cricket, Cross-polytope, Cuatro (instrument), Cube, Cuboctahedron, Culture of Japan, Culture of Korea, Culture of Vietnam, Cyclic group, Cytosine, D, D4 polytope, Death, Demihypercube, Descender, Devanagari, Dharma, Dhu al-Hijjah, Dhu al-Qadah, Dhyana in Buddhism, Diamond, Differentiable manifold, Differential structure, Dihedral group, Dimension, Disease, Distributive lattice, Division (mathematics), Division algebra, Divisor, DNA, Doctor of the Church, Dodecahedron, Dollar sign, Double bass, Dual polyhedron, Duḥkha, Duoprism, Dvapara Yuga, E. J. Lowe, Earth, Earth (classical element), East, Eastern Arabic numerals, Egyptian numerals, Eid al-Adha, Electromagnetism, English language, Equilateral triangle, Etrog, Euphrates, Europa (moon), European Mathematical Society, Exponentiation, Ezekiel, F, Face (geometry), Factorization, Fallibilism, Fantastic Four, Fermat number, FIBA Basketball World Cup, FIBA Women's Basketball World Cup, Fibration, FIFA Women's World Cup, FIFA World Cup, Fiqh, Fire, Fire (classical element), First baseman, Floor (gymnastics), Fly, Four Asian Tigers, Four Cardinal Principles, Four causes, Four color theorem, Four Corners Monument, Four corners of the world, Four Evangelists, Four Freedoms, Four Heavenly Kings, Four Holy Cities, Four Horsemen of the Apocalypse, Four Noble Truths, Four Right Exertions, Four Seasons, Four sights, Four species, Four stages of awakening, Four Symbols, Four temperaments, Four-character idiom, Four-corner method, Four-dimensional space, Four-letter word, Four-stroke engine, Fourth Estate, Fourth power, Fourth wall, Franklin D. Roosevelt, Franz Brentano, Fundamental interaction, Furniture, G, Galilean moons, Gang of Four, Gang of Four (band), Ganymede (moon), Garden of Eden, Gas, Gṛhastha, Geʽez script, General relativity, Gihon, Globular cluster, God, Gospel, Gospel of John, Gospel of Luke, Gospel of Mark, Gospel of Matthew, Grand antiprism, Grand slam (baseball), Gravity, Green Dome, Gregory of Nazianzus, Guanine, H, H4 polytope, Hadass, Hanafi school, Hanbali school, Harry Potter, Harshad number, Heart, Hebrew language, Hebron, Hexagon, Hindus, Hindustani numerals, Historical capitals of China, Hogwarts, Holiest sites in Islam, Holometabola, Holometabolism, Homonym, Hong Kong, Hopf fibration, Hosohedron, Human, Humorism, Hurwitz's theorem (composition algebras), Hypercube, I, I Ching, Icosahedral symmetry, Icosahedron, Iddhipada, Immanuel Kant, Insect, Integer, Intel, Interchange (Australian rules football), Internal combustion engine, Internet protocol suite, Internet slang, Io (moon), Islamic holy books, IV, Jerome, Jerusalem, Jews, Jiang Qing, Johannes Brahms, John Boyd (military strategist), John Chrysostom, John the Evangelist, Journalism, Judaism, Judiciary, Jupiter, Kali Yuga, Kama, Kannada, Karl Popper, Karuṇā, Kepler–Poinsot polyhedron, Khmer numerals, Kite, Klein four-group, Knuth's up-arrow notation, Kshatriya, Kushinagar, Lagrange's four-square theorem, Leah, Leap year, Leet, Leinster, Light cone, Liquid, List of F4 polytopes, List of highways numbered 4, List of self-intersecting polygons, Living creatures (Bible), Lorien Legacies, Low-density polyethylene, Luke the Evangelist, Lulav, Lumbini, Lunar month, Magnetic ink character recognition, Mahābhūta, Maitrī, Major Arcana, Major scale, Malayalam, Malik ibn Anas, Maliki school, Mammal, Mandolin, Mao Zedong, Map, Mario Kart, Mark the Evangelist, Mars, Matter, Matthew the Apostle, Maya numerals, Melancholia, Mercury (planet), Messier 4, Messier object, Mitzvah, Mobile phone, Moksha, Moral absolutism, Moral nihilism, Moral relativism, Moral universalism, Morse code, Motor vehicle, Mudita, Muharram, Multiplication, Munster, Music theory, Musical notation, N-sphere, Nation, NATO phonetic alphabet, Natural number, Neptune, New Mexico, Nibble, Nintendo, Nirvana, Noble Eightfold Path, Nokia, Nokia 4.2, Normed algebra, North, Northern Ireland, Nucleotide base, Number, Number Four, Numeral (linguistics), Numerical digit, Numerology, Octahedral symmetry, Octahedron, Octal, Octave, Octonion, Old age, Oligomer, Olympiad, Olympic Games, On the Fourfold Root of the Principle of Sufficient Reason, Operation (mathematics), Optical character recognition, Ordered field, Palm, Inc., Paradigm, Parity (mathematics), Passover, Paul Weiss (philosopher), Perfect fourth, Performing arts, Persian language, Personal digital assistant, Phlegm, Pi, Pinyin, Pishon, Planar graph, Plasma (physics), Platonic solid, Playing card, Point (geometry), Point groups in four dimensions, Politics, Polyhedron, Polytope, Pope Gregory I, Popular music, Post-punk, Power associativity, Power forward, Pratītyasamutpāda, Prime number, Printing, Prism (geometry), Profanity, Provinces of Ireland, Pseudoscience, Public administration, Puruṣārtha, Quadrilateral, Quarter note, Quaternary numeral system, Quaternion, Quattro (four-wheel-drive system), Rachel, Rajab, Rashidun, Rational number, Real number, Rebecca, Rectangle, Regular dodecahedron, Regular polygon, Regular polyhedron, Regular polytope, Resin identification code, Rhombus, Rich Text Format, Richard McKeon, RNA, Rock and roll, Rowing (sport), Rugby league, Rugby union, Rugby union bonus points system, Rugby union positions, Rugby World Cup, Safed, Sakadagami, Sanguine, Sannyasa, Sarah, Sarnath, Satipatthana, Saturn, Satya Yuga, Scorpius, Scotland, Season, Second baseman, Sedenion, Semiprime, Seven-segment display, Shafi'i school, Shahmukhi, Shift key, Shudra, Shunga Empire, Sign-value notation, Silicon, Simple group, Simplex, Sindhi language, Singapore, Slavic paganism, Solar System, Solid, Solution in radicals, Sorani, Sotāpanna, South, South Korea, Space, Spacetime, Special relativity, Spherical polyhedron, Spring (season), Square, Square (algebra), Square number, Square of opposition, Star polygon, Star polyhedron, Statistical mechanics, Stellar classification, Stellation, Stoicism, Strike zone, Strong interaction, Subdominant, Subgiant, Subtraction, Sukkot, Summer, Sunni Islam, Super League, Super-prime, Supreme Court of the United States, Svetovit, Swastika, Symphony, Syr Darya, Taiwan, Tamil language, Tarot, Teenage Mutant Ninja Turtles, Television station, Telugu language, Tessellation, Tesseract, Tetragrammaton, Tetrahedral number, Tetrahedral symmetry, Tetrahedral-octahedral honeycomb, Tetrahedron, Tetramer, Tetraphobia, Tetrapod, Tetris, Text figures, Thai numerals, The Beatles, The Emperor (tarot card), The Penguin Dictionary of Curious and Interesting Numbers, The Twelve Days of Christmas (song), Third baseman, Three-dimensional space, Thymine, Tiberias, Tigris, Time, Time signature, Tonic (music), Treta Yuga, Trichotomy (philosophy), Trope (philosophy), Trump (card games), Truncation, Truth value, Try (rugby), Twin prime, Typeface, U.S. state, Ukulele, Ulster, Umar, Uneven bars, Ungulate, Uniform 4-polytope, Uniform antiprismatic prism, Uniform polyhedron, Uniform polytope, United Kingdom, Upekṣā, Uracil, Uranus, Utah, Uthman, Vaishya, Valence (chemistry), Vault (gymnastics), Vānaprastha, Vector space, Vedas, Vehicle, Venus, Viola, Violin, Wales, Water, Water (classical element), Weak interaction, West, Weyl group, Wheel, Wing, Winter, Wisdom tooth, Wythoff construction, Yuga, Zero divisor, Zia people (New Mexico), Zodiac, 0, 1, 12 (number), 120-cell, 16 (number), 16-cell, 16-cell honeycomb, 17 (number), 2, 24-cell, 24-cell honeycomb, 3, 4 (disambiguation), 4 BC, 5, 5-cell, 6, 600-cell, 64 (number), 7.