## Table of Contents

516 relations: AD 8, Adjoint representation, AFL finals series, After Eight, Al-Andalus, Album, Aliquot sum, Allah, Alypia octomaculata, Amharic, Ammann–Beenker tiling, Ancient Egyptian creation myths, Angel, Antichrist, Antiprism, Arabic numerals, Arachnid, Archimedean solid, Argonaut (animal), Armenian language, Arvingarna, Ascender (typography), Ascus, Ashta Lakshmi, Ashta Mathas of Udupi, Association football, Astrological sign, Astrology, Atomic number, Australian Football League, Australian rules football, Automorphism group, Avalokiteśvara, Avril Lavigne, Ākāśagarbha, B, Babylonian cuneiform numerals, Baduanjin qigong, Bagua, Banquo, Baseball, Beatie Wolfe, Beatitudes, Beaufort scale, Beijing, Bengali language, Biblical Hebrew, Billie Eilish, Binary number, Bit, ... Expand index (466 more) »

- 8 (number)

## AD 8

AD 8 was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar.

See 8 and AD 8

## Adjoint representation

In mathematics, the adjoint representation (or adjoint action) of a Lie group G is a way of representing the elements of the group as linear transformations of the group's Lie algebra, considered as a vector space.

See 8 and Adjoint representation

## AFL finals series

The Australian Football League finals series, more generally known as the AFL finals, and known from 1897 until 1989 as the Victorian Football League finals series or VFL finals, is a playoff tournament held at the end of each AFL season to determine the premier.

## After Eight

After Eight Mint Chocolate Thins, often referred to as simply After Eights, are a brand of mint chocolate covered sugar confectionery.

## Al-Andalus

Al-Andalus was the Muslim-ruled area of the Iberian Peninsula.

See 8 and Al-Andalus

## Album

An album is a collection of audio recordings (e.g., music) issued on a medium such as compact disc (CD), vinyl (record), audio tape (like 8-track or cassette), or digital.

See 8 and Album

## Aliquot sum

In number theory, the aliquot sum of a positive integer is the sum of all proper divisors of, that is, all divisors of other than itself.

## Allah

Allah (ﷲ|translit.

See 8 and Allah

## Alypia octomaculata

Alypia octomaculata, the eight-spotted forester, is a moth of the family Noctuidae first described by Johan Christian Fabricius in 1775.

## Amharic

Amharic (or; Amarəñña) is an Ethiopian Semitic language, which is a subgrouping within the Semitic branch of the Afroasiatic languages.

See 8 and Amharic

## Ammann–Beenker tiling

In geometry, an Ammann–Beenker tiling is a nonperiodic tiling which can be generated either by an aperiodic set of prototiles as done by Robert Ammann in the 1970s, or by the cut-and-project method as done independently by F. P. M. Beenker.

See 8 and Ammann–Beenker tiling

## Ancient Egyptian creation myths

Ancient Egyptian creation myths are the ancient Egyptian accounts of the creation of the world.

See 8 and Ancient Egyptian creation myths

## Angel

In Abrahamic religious traditions (such as Judaism, Christianity, and Islam) and some sects of other belief-systems like Hinduism and Buddhism, an angel is a heavenly supernatural or spiritual being.

See 8 and Angel

## Antichrist

In Christian eschatology, Antichrist refers to a kind of person prophesied by the Bible to oppose Jesus Christ and falsely substitute themselves as a savior in Christ's place before the Second Coming.

See 8 and Antichrist

## 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 8 and Antiprism

## Arabic numerals

The ten Arabic numerals 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 are the most commonly used symbols for writing numbers.

## Arachnid

Arachnids are arthropods in the class Arachnida of the subphylum Chelicerata.

See 8 and Arachnid

## Archimedean solid

In geometry, an Archimedean solid is one of 13 convex polyhedra whose faces are regular polygons and whose vertices are all symmetric to each other.

## Argonaut (animal)

The argonauts (genus Argonauta, the only extant genus in the family Argonautidae) are a group of pelagic octopuses.

## Armenian language

Armenian (endonym) is an Indo-European language and the sole member of the independent branch of the Armenian language family.

## Arvingarna

Arvingarna is a Swedish dansband formed in Gothenburg in 1989.

See 8 and Arvingarna

## 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 8 and Ascender (typography)

## Ascus

An ascus (asci) is the sexual spore-bearing cell produced in ascomycete fungi.

See 8 and Ascus

## Ashta Lakshmi

Ashta Lakshmi (Sanskrit: अष्टलक्ष्मी, IAST: Aṣṭalakṣmī; lit. "Octet of Lakshmi") or Ashtalakshmi, is a group of the eight manifestations of Lakshmi, the Hindu goddess of prosperity.

## Ashta Mathas of Udupi

The Tulu Ashta Mathas of Udupi (ಉಡುಪಿಯ ತುಳು ಅಷ್ಟ ಮಠಗಳು) are a group of eight mathas or Hindu monasteries established by Madhvacharya, the preceptor of the Dvaita school of Hindu thought with his direct disciples to be the first Swami, head of the matha.

See 8 and Ashta Mathas of Udupi

## Association football

Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 players each, who primarily use their feet to propel a ball around a rectangular field called a pitch.

See 8 and Association football

## 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 8 and Astrology

## Atomic number

The atomic number or nuclear charge number (symbol Z) of a chemical element is the charge number of an atomic nucleus.

## Australian Football League

The Australian Football League (AFL) is the pre-eminent and only fully professional competition of Australian rules football.

See 8 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 8 and Australian rules football

## Automorphism group

In mathematics, the automorphism group of an object X is the group consisting of automorphisms of X under composition of morphisms.

## Avalokiteśvara

In Buddhism, Avalokiteśvara (meaning "God looking down (upon the world)", IPA), also known as Lokeśvara ("Lord of the World") and Chenrezig (in Tibetan), is a tenth-level bodhisattva associated with great compassion (mahakaruṇā).

## Avril Lavigne

Avril Ramona Lavigne (born September 27, 1984) is a Canadian singer-songwriter.

## Ākāśagarbha

Ākāśagarbha (Standard Tibetan: Namkha'i Nyingpo) is a bodhisattva in Chinese, Japanese and Korean Buddhism who is associated with the great element (mahābhūta) of space (''ākāśa'').

## B

B, or b, is the second letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.

See 8 and B

## 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 8 and Babylonian cuneiform numerals

## Baduanjin qigong

The Baduanjin qigong (八段錦) is one of the most common forms of Chinese qigong used as exercise.

## Bagua

The bagua is a set of symbols from China intended to illustrate the nature of reality as being composed of mutually opposing forces reinforcing one another.

See 8 and Bagua

## Banquo

Lord Banquo, the Thane of Lochaber, is a semi-historical character in William Shakespeare's 1606 play Macbeth.

See 8 and Banquo

## Baseball

Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding.

See 8 and Baseball

## Beatie Wolfe

Beatie Wolfe is an Anglo-American conceptual artist and composer described as a "musical weirdo and visionary" known for seeing music differently and creating new formats for music and art in the digital era.

## Beatitudes

The Beatitudes are sayings of Jesus, and in particular eight or nine blessings recounted by Jesus in the Sermon on the Mount in the Gospel of Matthew, and four in the Sermon on the Plain in the Gospel of Luke, followed by four woes which mirror the blessings.

See 8 and Beatitudes

## Beaufort scale

The Beaufort scale is an empirical measure that relates wind speed to observed conditions at sea or on land.

## Beijing

Beijing, previously romanized as Peking, is the capital of China.

See 8 and Beijing

## 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.

## Biblical Hebrew

Biblical Hebrew (rtl ʿīḇrîṯ miqrāʾîṯ or rtl ləšôn ham-miqrāʾ), also called Classical Hebrew, is an archaic form of the Hebrew language, a language in the Canaanitic branch of the Semitic languages spoken by the Israelites in the area known as the Land of Israel, roughly west of the Jordan River and east of the Mediterranean Sea.

## Billie Eilish

Billie Eilish Pirate Baird O'Connell (born December 18, 2001) is an American singer and songwriter.

## Binary number

A binary number is a number expressed in the base-2 numeral system or binary numeral system, a method for representing numbers that uses only two symbols for the natural numbers: typically "0" (zero) and "1" (one).

## Bit

The bit is the most basic unit of information in computing and digital communication.

See 8 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.

## Bon Iver

Bon Iver is an American indie folk band founded in 2006 by singer-songwriter Justin Vernon.

See 8 and Bon Iver

## 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).

## Bott periodicity theorem

In mathematics, the Bott periodicity theorem describes a periodicity in the homotopy groups of classical groups, discovered by, which proved to be of foundational significance for much further research, in particular in K-theory of stable complex vector bundles, as well as the stable homotopy groups of spheres.

See 8 and Bott periodicity theorem

## Brahmi numerals

Brahmi numerals are a numeral system attested in the Indian subcontinent from the 3rd century BCE.

## Brit milah

The brit milah (bərīṯ mīlā,,; "covenant of circumcision") or bris (ברית) is the ceremony of circumcision in Judaism and Samaritanism, during which the foreskin is surgically removed.

See 8 and Brit milah

## Bruce Robinson

Bruce Robinson (born 2 May 1946) is an English actor, director, screenwriter and novelist.

## Buddha's Birthday

Buddha's Birthday or Buddha Day (also known as Buddha Jayanti, Buddha Purnima, and Buddha Pournami) is a primarily Buddhist festival that is celebrated in most of South, Southeast and East Asia, commemorating the birth of the prince Siddhartha Gautama, who became the Gautama Buddha and founded Buddhism.

## Buddhism

Buddhism, also known as Buddha Dharma and Dharmavinaya, is an Indian religion and philosophical tradition based on teachings attributed to the Buddha, a wandering teacher who lived in the 6th or 5th century BCE.

See 8 and Buddhism

## Byte

The byte is a unit of digital information that most commonly consists of eight bits. 8 and byte are 8 (number).

See 8 and Byte

## Cannabis (drug)

Cannabis, also known as marijuana or weed, among other names, is a non-chemically uniform drug from the cannabis plant.

## Cantonese

Cantonese is the traditional prestige variety of Yue Chinese, a Sinitic branch of the Sino-Tibetan languages originating from the city of Guangzhou (historically known as Canton) and its surrounding Pearl River Delta, with over 82.4 million native speakers.

See 8 and Cantonese

## Cardinal number

In mathematics, a cardinal number, or cardinal for short, is what is commonly called the number of elements of a set.

## Catalan's conjecture

Catalan's conjecture (or Mihăilescu's theorem) is a theorem in number theory that was conjectured by the mathematician Eugène Charles Catalan in 1844 and proven in 2002 by Preda Mihăilescu at Paderborn University.

See 8 and Catalan's conjecture

## 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 8 and Cayley–Dickson construction

## Center fielder

A center fielder, abbreviated CF, is the outfielder in baseball who plays defense in center field – the baseball and softball fielding position between left field and right field.

## Central angle

A central angle is an angle whose apex (vertex) is the center O of a circle and whose legs (sides) are radii intersecting the circle in two distinct points A and B. Central angles are subtended by an arc between those two points, and the arc length is the central angle of a circle of radius one (measured in radians).

## Centralizer and normalizer

In mathematics, especially group theory, the centralizer (also called commutant) of a subset S in a group G is the set \operatorname_G(S) of elements of G that commute with every element of S, or equivalently, such that conjugation by g leaves each element of S fixed.

See 8 and Centralizer and normalizer

## Chess

Chess is a board game for two players.

See 8 and Chess

## Chinese calendar

The traditional Chinese calendar (l; informally l) is a lunisolar calendar, combining the solar, lunar, and other cycles for various social and agricultural purposes.

## 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.

## Choliamb

Choliambic verse (χωλίαμβος), also known as limping iambs or scazons or halting iambic, is a form of meter in poetry.

See 8 and Choliamb

## Circumcision

Circumcision is a procedure that removes the foreskin from the human penis.

## Clifford algebra

In mathematics, a Clifford algebra is an algebra generated by a vector space with a quadratic form, and is a unital associative algebra with the additional structure of a distinguished subspace.

## Clothing sizes

Clothing sizes are the sizes with which garments sold off-the-shelf are labeled.

## Cloud Cult

Cloud Cult is an experimental indie rock band from St. Cloud, Minnesota, United States, led by singer-songwriter Craig Minowa.

See 8 and Cloud Cult

## College World Series

The College World Series (CWS), officially the NCAA Men's College World Series (MCWS), is a baseball tournament held each June in Omaha, Nebraska.

See 8 and College World Series

## Colombia

Colombia, officially the Republic of Colombia, is a country primarily located in South America with insular regions in North America.

See 8 and Colombia

## Columbia University Press

Columbia University Press is a university press based in New York City, and affiliated with Columbia University.

See 8 and Columbia University Press

## 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^.

## Complex polytope

In geometry, a complex polytope is a generalization of a polytope in real space to an analogous structure in a complex Hilbert space, where each real dimension is accompanied by an imaginary one.

## Composite number

A composite number is a positive integer that can be formed by multiplying two smaller positive integers.

## Compound of cube and octahedron

The compound of cube and octahedron is a polyhedron which can be seen as either a polyhedral stellation or a compound.

See 8 and Compound of cube and octahedron

## Compound of five octahedra

The compound of five octahedra is one of the five regular polyhedron compounds, and can also be seen as a stellation.

See 8 and Compound of five octahedra

## Computer

A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations (computation).

See 8 and Computer

## Constellation

A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.

## Coreopsis

Coreopsis is a genus of flowering plants in the family Asteraceae.

See 8 and Coreopsis

## Corey Taylor

Corey Todd Taylor (born December 8, 1973) is an American musician, songwriter, author and actor.

## Corinthian order

The Corinthian order (Κορινθιακὸς ῥυθμός, Korinthiakós rythmós; Ordo Corinthius) is the last developed and most ornate of the three principal classical orders of Ancient Greek architecture and Roman architecture.

## Covering group

In mathematics, a covering group of a topological group H is a covering space G of H such that G is a topological group and the covering map is a continuous group homomorphism.

## Coxswain

The coxswain is the person in charge of a boat, particularly its navigation and steering.

See 8 and Coxswain

## Crazy Eights

Crazy Eights is a shedding-type card game for two to seven players and the best known American member of the Eights Group which also includes Pig and Spoons.

## Ctenophora

Ctenophora (ctenophore) comprise a phylum of marine invertebrates, commonly known as comb jellies, that inhabit sea waters worldwide.

See 8 and Ctenophora

## Cube

In geometry, a cube is a three-dimensional solid object bounded by six square faces.

See 8 and Cube

## Cube (algebra)

In arithmetic and algebra, the cube of a number is its third power, that is, the result of multiplying three instances of together. 8 and cube (algebra) are integers.

## Cubic honeycomb

The cubic honeycomb or cubic cellulation is the only proper regular space-filling tessellation (or honeycomb) in Euclidean 3-space made up of cubic cells.

## Cuboctahedron

A cuboctahedron is a polyhedron with 8 triangular faces and 6 square faces.

## Cup (unit)

The cup is a cooking measure of volume, commonly associated with cooking and serving sizes.

See 8 and Cup (unit)

## Curling

Curling is a sport in which players slide stones on a sheet of ice toward a target area which is segmented into four concentric circles.

See 8 and Curling

## Curtis Hanson

Curtis Lee Hanson (March 24, 1945 – September 20, 2016) was an American film director, screenwriter, and producer.

## Dane Cook

Dane Jeffrey Cook (born March 18, 1972) is an American stand-up comedian and film actor.

See 8 and Dane Cook

## David R. Cheriton School of Computer Science

The David R. Cheriton School of Computer Science is a professional school within the Faculty of Mathematics at the University of Waterloo.

See 8 and David R. Cheriton School of Computer Science

## Decimal

The decimal numeral system (also called the base-ten positional numeral system and denary or decanary) is the standard system for denoting integer and non-integer numbers.

See 8 and Decimal

## Deltahedron

In geometry, a deltahedron (plural deltahedra) is a polyhedron whose faces are all (congruent) equilateral triangles.

## Devanagari

Devanagari (देवनागरी) is an Indic script used in the northern Indian subcontinent.

See 8 and Devanagari

## Dharmachakra

The dharmachakra (Sanskrit: धर्मचक्र, dhammacakka) or wheel of dharma is a symbol used in the Dharmic religions of Buddhism, Hinduism, and Jainism.

## Diatonic scale

In music theory, a diatonic scale is any heptatonic scale that includes five whole steps (whole tones) and two half steps (semitones) in each octave, in which the two half steps are separated from each other by either two or three whole steps, depending on their position in the scale.

## Discworld

Discworld is a comic fantasy"Humorous Fantasy" in David Pringle, ed., The Ultimate Encyclopedia of Fantasy (pp.31-33).

See 8 and Discworld

## Discworld (world)

The Discworld is the fictional setting for all of Terry Pratchett's Discworld fantasy novels.

## Disphenoid

In geometry, a disphenoid is a tetrahedron whose four faces are congruent acute-angled triangles.

See 8 and Disphenoid

## Division (mathematics)

Division is one of the four basic operations of arithmetic.

See 8 and Division (mathematics)

## 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 8 and Divisor

## Dream Theater

Dream Theater is an American progressive metal band formed in 1985 in Boston, Massachusetts.

## 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.

## 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 8 and Duoprism

## Dwarf planet

A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, massive enough to be gravitationally rounded, but insufficient to achieve orbital dominance like the eight classical planets of the Solar System.

## Dynkin diagram

In the mathematical field of Lie theory, a Dynkin diagram, named for Eugene Dynkin, is a type of graph with some edges doubled or tripled (drawn as a double or triple line).

## E6 (mathematics)

In mathematics, E6 is the name of some closely related Lie groups, linear algebraic groups or their Lie algebras \mathfrak_6, all of which have dimension 78; the same notation E6 is used for the corresponding root lattice, which has rank 6.

## E7 (mathematics)

In mathematics, E7 is the name of several closely related Lie groups, linear algebraic groups or their Lie algebras e7, all of which have dimension 133; the same notation E7 is used for the corresponding root lattice, which has rank 7.

## E8 (mathematics)

In mathematics, E8 is any of several closely related exceptional simple Lie groups, linear algebraic groups or Lie algebras of dimension 248; the same notation is used for the corresponding root lattice, which has rank 8.

## E8 lattice

In mathematics, the E lattice is a special lattice in R. It can be characterized as the unique positive-definite, even, unimodular lattice of rank 8.

See 8 and E8 lattice

## E9 honeycomb

In geometry, an E9 honeycomb is a tessellation of uniform polytopes in hyperbolic 9-dimensional space.

## 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 8 and Eastern Arabic numerals

## Edwardsia

Edwardsia is a genus of sea anemones, the type of the family Edwardsiidae.

See 8 and Edwardsia

## Egyptian mythology

Egyptian mythology is the collection of myths from ancient Egypt, which describe the actions of the Egyptian gods as a means of understanding the world around them.

## Egyptian numerals

The system of ancient Egyptian numerals was used in Ancient Egypt from around 3000 BC until the early first millennium AD.

## Eight Below

Eight Below, originally titled Antartica: The Journey Home, is a 2006 American survival drama film, a remake based on the 1983 Japanese film Antarctica by Toshirô Ishidô, Koreyoshi Kurahara, Tatsuo Nogami, and Susumu Saji.

## Eight Days a Week

"Eight Days a Week" is a song by the English rock band the Beatles.

## Eight Immortals

The Eight Immortals are a group of legendary xian (immortals) in Chinese mythology.

## Eight Is Enough

Eight Is Enough is an American comedy-drama television series that aired on ABC from March 15, 1977, to May 23, 1981.

## Eight Legged Freaks

Eight Legged Freaks (originally titled Arac Attack, under which it was released in some parts of Europe and other countries around the world) is a 2002 monster comedy horror film directed by Ellory Elkayem and starring David Arquette, Kari Wuhrer, Scott Terra, Doug E. Doug, and Scarlett Johansson.

## Eight Men Out

Eight Men Out is a 1988 American sports drama film based on Eliot Asinof's 1963 book Eight Men Out: The Black Sox and the 1919 World Series.

## Eight queens puzzle

The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal.

## Eight Seconds

Eight Seconds was a Canadian synthpop/progressive rock band formed in 1982 in Ottawa.

## Eight-ball

Eight-ball (also spelled 8-ball or eightball, and sometimes called solids and stripes, spots and stripes, big ones and little ones, or rarely highs and lows) is a discipline of pool played on a billiard table with six pockets, cue sticks, and sixteen billiard balls (a and fifteen s).

See 8 and Eight-ball

## Eight-ball (disambiguation)

Eight-ball is a pool game played with a numbered solids-and-stripes ball set.

See 8 and Eight-ball (disambiguation)

## Eight-circuit model of consciousness

The eight-circuit model of consciousness is a holistic model originally presented as psychological philosophy (abbreviated "psy-phi") by Timothy Leary in books including Neurologic (1973) and Exo-Psychology (1977), later expanded on by Robert Anton Wilson in his books Cosmic Trigger (1977) and Prometheus Rising (1983), and by Antero Alli in his books Angel Tech (1985) and The Eight-Circuit Brain (2009), that suggests "eight periods " within the model.

See 8 and Eight-circuit model of consciousness

## Eight-vertex model

In statistical mechanics, the eight-vertex model is a generalisation of the ice-type (six-vertex) models; it was discussed by Sutherland, and Fan & Wu, and solved by Baxter in the zero-field case.

## Eightfold way (physics)

In physics, the eightfold way is an organizational scheme for a class of subatomic particles known as hadrons that led to the development of the quark model.

See 8 and Eightfold way (physics)

## Eighth note

'''Figure 1.''' An eighth note with stem extending up, an eighth note with stem extending down, and an eighth rest. '''Figure 2.''' Four eighth notes beamed together. An eighth note (American) or a quaver (British) is a musical note played for one eighth the duration of a whole note (semibreve).

## Elliott Smith

Steven Paul Smith (August 6, 1969 – October 21, 2003), known as Elliott Smith, was an American musician and singer-songwriter.

## Ellory Elkayem

Ellory Elkayem (born 12 August 1970) is a New Zealand film director.

## Equilateral triangle

In geometry, an equilateral triangle is a triangle in which all three sides have the same length.

See 8 and Equilateral triangle

## Euclidean space

Euclidean space is the fundamental space of geometry, intended to represent physical space.

## Euclidean tilings by convex regular polygons

Euclidean plane tilings by convex regular polygons have been widely used since antiquity.

See 8 and Euclidean tilings by convex regular polygons

## Exceptional Lie algebra

In mathematics, an exceptional Lie algebra is a complex simple Lie algebra whose Dynkin diagram is of exceptional (nonclassical) type.

See 8 and Exceptional Lie algebra

## Exponentiation

In mathematics, exponentiation is an operation involving two numbers: the base and the exponent or power.

## 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.

## Facet (geometry)

In geometry, a facet is a feature of a polyhedron, polytope, or related geometric structure, generally of dimension one less than the structure itself.

## Faceting

Stella octangula as a faceting of the cube In geometry, faceting (also spelled facetting) is the process of removing parts of a polygon, polyhedron or polytope, without creating any new vertices.

See 8 and Faceting

## Fibonacci Quarterly

The Fibonacci Quarterly is a scientific journal on mathematical topics related to the Fibonacci numbers, published four times per year.

## Fibonacci sequence

In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones.

## Figurate number

The term figurate number is used by different writers for members of different sets of numbers, generalizing from triangular numbers to different shapes (polygonal numbers) and different dimensions (polyhedral numbers).

## Figure 8 (album)

Figure 8 is the fifth studio album by American singer-songwriter Elliott Smith, and the final studio album released during his lifetime.

## Figure-eight knot

The figure-eight knot or figure-of-eight knot is a type of stopper knot.

## Finnic languages

The Finnic or Baltic Finnic languages constitute a branch of the Uralic language family spoken around the Baltic Sea by the Baltic Finnic peoples.

## Fischer group

In the area of modern algebra known as group theory, the Fischer groups are the three sporadic simple groups Fi22, Fi23 and Fi24 introduced by.

## Five-dimensional space

A five-dimensional space is a space with five dimensions.

See 8 and Five-dimensional space

## Fluid ounce

A fluid ounce (abbreviated fl oz, fl. oz. or oz. fl., old forms ℥, fl ℥, f℥, ƒ ℥) is a unit of volume (also called capacity) typically used for measuring liquids.

## 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-dimensional space

Four-dimensional space (4D) is the mathematical extension of the concept of three-dimensional space (3D).

See 8 and Four-dimensional space

## François Ozon

François Ozon (born 15 November 1967) is a French film director and screenwriter.

## Frank Marshall (filmmaker)

Frank Wilton Marshall (born September 13, 1946) is an American film producer and director.

See 8 and Frank Marshall (filmmaker)

## Furlong

A furlong is a measure of distance in imperial units and United States customary units equal to one-eighth of a mile, equivalent to any of 660 feet, 220 yards, 40 rods, 10 chains or approximately 201 metres.

See 8 and Furlong

## G2 (mathematics)

In mathematics, G2 is three simple Lie groups (a complex form, a compact real form and a split real form), their Lie algebras \mathfrak_2, as well as some algebraic groups.

## Gale

A gale is a strong wind; the word is typically used as a descriptor in nautical contexts.

See 8 and Gale

## Gallon

The gallon is a unit of volume in British imperial units and United States customary units.

See 8 and Gallon

## Gary Ross

Gary Ross (born November 3, 1956) is an American filmmaker.

See 8 and Gary Ross

## Gauge symmetry (mathematics)

In mathematics, any Lagrangian system generally admits gauge symmetries, though it may happen that they are trivial.

See 8 and Gauge symmetry (mathematics)

## Gazebo

A gazebo is a pavilion structure, sometimes octagonal or turret-shaped, often built in a park, garden, or spacious public area.

See 8 and Gazebo

## Geometry

Geometry is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures.

See 8 and Geometry

## Gill (unit)

The gill or teacup is a unit of measurement for volume equal to a quarter of a pint.

## Gluon

A gluon is a type of massless elementary particle that mediates the strong interaction between quarks, acting as the exchange particle for the interaction.

See 8 and Gluon

## Gnosticism

Gnosticism (from Ancient Greek:, romanized: gnōstikós, Koine Greek: ɣnostiˈkos, 'having knowledge') is a collection of religious ideas and systems that coalesced in the late 1st century AD among Jewish and early Christian sects.

See 8 and Gnosticism

## Greek numerals

Greek numerals, also known as Ionic, Ionian, Milesian, or Alexandrian numerals, are a system of writing numbers using the letters of the Greek alphabet.

## Group of Lie type

In mathematics, specifically in group theory, the phrase group of Lie type usually refers to finite groups that are closely related to the group of rational points of a reductive linear algebraic group with values in a finite field.

## Group representation

In the mathematical field of representation theory, group representations describe abstract groups in terms of bijective linear transformations of a vector space to itself (i.e. vector space automorphisms); in particular, they can be used to represent group elements as invertible matrices so that the group operation can be represented by matrix multiplication.

See 8 and Group representation

## Guardians of the directions

The Guardians of the Directions (दिक्पाल) are the deities who rule the specific directions of space according to Hinduism, Jainism and Vajrayāna Buddhism—especially Kālacakra.

See 8 and Guardians of the directions

## Gyrobifastigium

In geometry, the gyrobifastigium is a polyhedron that is constructed by attaching a triangular prism to square face of another one.

## Hanukkah

Hanukkah (Ḥănukkā) is a Jewish festival commemorating the recovery of Jerusalem and subsequent rededication of the Second Temple at the beginning of the Maccabean Revolt against the Seleucid Empire in the 2nd century BCE.

See 8 and Hanukkah

## Hebrew language

Hebrew (ʿÎbrit) is a Northwest Semitic language within the Afroasiatic language family.

## Hessian polyhedron

In geometry, the Hessian polyhedron is a regular complex polyhedron 333,, in \mathbb^3.

## Hexagon

In geometry, a hexagon (from Greek ἕξ, hex, meaning "six", and γωνία, gonía, meaning "corner, angle") is a six-sided polygon.

See 8 and Hexagon

## Hexagonal prism

In geometry, the hexagonal prism is a prism with hexagonal base.

## Hinduism

Hinduism is an Indian religion or dharma, a religious and universal order by which its followers abide.

See 8 and Hinduism

## Hindus

Hindus (also known as Sanātanīs) are people who religiously adhere to Hinduism, also known by its endonym Sanātana Dharma.

See 8 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.

## Honeycomb (geometry)

In geometry, a honeycomb is a space filling or close packing of polyhedral or higher-dimensional cells, so that there are no gaps.

See 8 and Honeycomb (geometry)

## Hurwitz quaternion

In mathematics, a Hurwitz quaternion (or Hurwitz integer) is a quaternion whose components are either all integers or all half-integers (halves of odd integers; a mixture of integers and half-integers is excluded).

## 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 8 and Hurwitz's theorem (composition algebras)

## Hyperbolic geometry

In mathematics, hyperbolic geometry (also called Lobachevskian geometry or Bolyai–Lobachevskian geometry) is a non-Euclidean geometry.

## Hypercomplex number

In mathematics, hypercomplex number is a traditional term for an element of a finite-dimensional unital algebra over the field of real numbers.

## Icosian

In mathematics, the icosians are a specific set of Hamiltonian quaternions with the same symmetry as the 600-cell.

See 8 and Icosian

## Icositetragon

In geometry, an icositetragon (or icosikaitetragon) or 24-gon is a twenty-four-sided polygon.

## Incubus (band)

Incubus is an American rock band from Calabasas, California.

## India

India, officially the Republic of India (ISO), is a country in South Asia.

See 8 and India

## Infinity symbol

The infinity symbol is a mathematical symbol representing the concept of infinity.

## Inscribed figure

An inscribed triangle of a circle In geometry, an inscribed planar shape or solid is one that is enclosed by and "fits snugly" inside another geometric shape or solid.

## Internal and external angles

In geometry, an angle of a polygon is formed by two adjacent sides.

See 8 and Internal and external angles

## 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 8 and Internal combustion engine

## Islam

Islam (al-Islām) is an Abrahamic monotheistic religion centered on the Quran and the teachings of Muhammad, the religion's founder.

See 8 and Islam

## Isogonal figure

In geometry, a polytope (e.g. a polygon or polyhedron) or a tiling is isogonal or vertex-transitive if all its vertices are equivalent under the symmetries of the figure.

## Isomorphism

In mathematics, an isomorphism is a structure-preserving mapping between two structures of the same type that can be reversed by an inverse mapping.

## Isoprene

Isoprene, or 2-methyl-1,3-butadiene, is a common volatile organic compound with the formula CH2.

See 8 and Isoprene

## Isotopy of an algebra

In mathematics, an isotopy from a possibly non-associative algebra A to another is a triple of bijective linear maps such that if then.

See 8 and Isotopy of an algebra

## Japan

Japan is an island country in East Asia, located in the Pacific Ocean off the northeast coast of the Asian mainland.

See 8 and Japan

## Jennifer 8

Jennifer 8 is a 1992 American neo-noir thriller film written and directed by Bruce Robinson and starring Andy García, Uma Thurman, Lance Henriksen, Kathy Baker, and John Malkovich.

See 8 and Jennifer 8

## Joel Schumacher

Joel T. Schumacher (August 29, 1939June 22, 2020) was an American film director, producer and screenwriter.

## John Beebe

John Beebe (born June 24, 1939) is an American psychiatrist and Jungian analyst in practice in San Francisco.

See 8 and John Beebe

## John Sayles

John Thomas Sayles (born September 28, 1950) is an American independent film director, screenwriter, editor, actor, and novelist.

## Johnson solid

In geometry, a Johnson solid, sometimes also known as a Johnson–Zalgaller solid, is a strictly convex polyhedron whose faces are regular polygons.

## Jon & Kate Plus 8

Jon & Kate Plus 8, later known as Kate Plus 8 (8 stylized as Ei8ht), is an American reality television series starring Kate Gosselin, Jon Gosselin, and their eight children, which ran from April 4, 2007 to July 24, 2017.

## Jordan algebra

In abstract algebra, a Jordan algebra is a nonassociative algebra over a field whose multiplication satisfies the following axioms.

## Journal of Integer Sequences

The Journal of Integer Sequences is a peer-reviewed open-access academic journal in mathematics, specializing in research papers about integer sequences.

See 8 and Journal of Integer Sequences

## Jungian cognitive functions

Psychological functions, as described by Carl Jung in his book Psychological Types, are particular mental processes within a person's psyche that are present regardless of common circumstances.

See 8 and Jungian cognitive functions

## K-theory

In mathematics, K-theory is, roughly speaking, the study of a ring generated by vector bundles over a topological space or scheme.

See 8 and K-theory

## 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 8 and Kannada

## Kṣitigarbha

Kṣitigarbha (क्षितिगर्भ,, ས་ཡི་སྙིང་པོ་ Wylie: sa yi snying po) is a bodhisattva primarily revered in East Asian Buddhism and usually depicted as a Buddhist monk.

## Khmer numerals

Khmer numerals are the numerals used in the Khmer language.

## Kislev

Kislev or Chislev (Hebrew:, Standard Kīslev Tiberian Kīslēw), also 'Chisleu' in the King James (authorized English) Bible, is the third month of the civil year and the ninth month of the ecclesiastical year on the Hebrew calendar.

See 8 and Kislev

## Lagoon Nebula

The Lagoon Nebula (catalogued as Messier 8 or M8, NGC 6523, Sharpless 25, RCW 146, and Gum 72) is a giant interstellar cloud in the constellation Sagittarius.

## Lakshmi

Lakshmi (sometimes spelled Laxmi) also known as Shri, is one of the principal goddesses in Hinduism.

See 8 and Lakshmi

## Leech lattice

In mathematics, the Leech lattice is an even unimodular lattice Λ24 in 24-dimensional Euclidean space, which is one of the best models for the kissing number problem.

## Lewis Carroll

Charles Lutwidge Dodgson (27 January 1832 – 14 January 1898), better known by his pen name Lewis Carroll, was an English author, poet, mathematician, photographer and Anglican priest.

## Leyland number

In number theory, a Leyland number is a number of the form where x and y are integers greater than 1.

## List of finite simple groups

In mathematics, the classification of finite simple groups states that every finite simple group is cyclic, or alternating, or in one of 16 families of groups of Lie type, or one of 26 sporadic groups.

See 8 and List of finite simple groups

## List of highways numbered 8

The following highways are numbered 8.

See 8 and List of highways numbered 8

## List of motion picture film formats

This list of motion picture film formats catalogues formats developed for shooting or viewing motion pictures, ranging from the Chronophotographe format from 1888, to mid-20th century formats such as the 1953 CinemaScope format, to more recent formats such as the 1992 IMAX HD format.

See 8 and List of motion picture film formats

## List of NGC objects (1–1000)

This is a list of NGC objects 1–1000 from the New General Catalogue (NGC).

See 8 and List of NGC objects (1–1000)

## Lord's Day

In Christianity, the Lord's Day refers to Sunday, the principal day of communal worship.

See 8 and Lord's Day

## Lycopene

Lycopene is an organic compound classified as a tetraterpene and a carotene.

See 8 and Lycopene

## Lyons group

In the area of modern algebra known as group theory, the Lyons group Ly or Lyons-Sims group LyS is a sporadic simple group of order.

## Macbeth

Macbeth (full title The Tragedie of Macbeth) is a tragedy by William Shakespeare.

See 8 and Macbeth

## Macbeth (character)

Lord Macbeth, the Thane of Glamis and quickly the Thane of Cawdor, is the title character and main protagonist in William Shakespeare's Macbeth (c. 1603–1607).

## Madhvacharya

Madhvacharya (1199–1278 CE or 1238–1317 CE), also known as Purna Prajna and Ānanda Tīrtha, was an Indian philosopher, theologian and the chief proponent of the Dvaita (dualism) school of Vedanta.

## Magic number (physics)

In nuclear physics, a magic number is a number of nucleons (either protons or neutrons, separately) such that they are arranged into complete shells within the atomic nucleus.

See 8 and Magic number (physics)

## Mahayana

Mahāyāna is a term for a broad group of Buddhist traditions, texts, philosophies, and practices developed in ancient India (onwards).

See 8 and Mahayana

## Maitreya

Maitreya (Sanskrit) or Metteyya (Pali), is a bodhisattva who is regarded as the future Buddha of this world in all schools of Buddhism, prophesied to become Maitreya Buddha or Metteyya Buddha.

See 8 and Maitreya

## 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 8 and Malayalam

## Manjushri

Manjushri (Mañjuśrī) is a bodhisattva who represents prajñā (transcendent wisdom) of the Buddhas in Mahāyāna Buddhism.

See 8 and Manjushri

## Mathematical physics

Mathematical physics refers to the development of mathematical methods for application to problems in physics.

See 8 and Mathematical physics

## Mathieu group

In group theory, a topic in abstract algebra, the Mathieu groups are the five sporadic simple groups ''M''11, ''M''12, ''M''22, ''M''23 and ''M''24 introduced by.

## Möbius–Kantor polygon

In geometry, the Möbius–Kantor polygon is a regular complex polygon 33,, in \mathbb^2.

See 8 and Möbius–Kantor polygon

## 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).

## Metre (poetry)

In poetry, metre (Commonwealth spelling) or meter (American spelling; see spelling differences) is the basic rhythmic structure of a verse or lines in verse.

## Metric prefix

A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit.

## Middle Ages

In the history of Europe, the Middle Ages or medieval period (also spelt mediaeval or mediæval) lasted from approximately 500 to 1500 AD.

## Mode (music)

In music theory, the term mode or modus is used in a number of distinct senses, depending on context.

## Monstrous moonshine

In mathematics, monstrous moonshine, or moonshine theory, is the unexpected connection between the monster group M and modular functions, in particular, the ''j'' function.

## 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 8 and Morse code

## MSN Messenger

MSN Messenger (also known colloquially simply as MSN), later rebranded as Windows Live Messenger, was a cross-platform instant-messaging client developed by Microsoft.

## Multiple birth

A multiple birth is the culmination of one multiple pregnancy, wherein the mother gives birth to two or more babies.

## 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.

## Musical note

In music, notes are distinct and isolatable sounds that act as the most basic building blocks for nearly all of music.

## Myers–Briggs Type Indicator

The Myers–Briggs Type Indicator (MBTI) is a pseudoscientific self-report questionnaire that claims to indicate differing "psychological types" (often commonly called "personality types").

See 8 and Myers–Briggs Type Indicator

## N

N, or n, is the fourteenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages, and others worldwide.

See 8 and N

## National Rugby League

The National Rugby League (known as the NRL Telstra Premiership due to sponsorship) is a professional rugby league competition in Australasia which contains clubs from New South Wales, Queensland, Victoria, the Australian Capital Territory and New Zealand.

See 8 and National Rugby League

## Natural number

In mathematics, the natural numbers are the numbers 0, 1, 2, 3, etc., possibly excluding 0. 8 and natural number are integers.

## NCAA Division I baseball tournament

The NCAA Division I Baseball Championship is held each year from May through June and features 64 college baseball teams in the United States, culminating in the eight-team Men's College World Series (MCWS) at Charles Schwab Field Omaha in Omaha, Nebraska.

See 8 and NCAA Division I baseball tournament

## NCAA Division I softball tournament

The NCAA Division I softball tournament is held annually in May/June and features 64 college softball teams in the United States, culminating in the Women's College World Series (WCWS), which is played in Oklahoma City.

See 8 and NCAA Division I softball tournament

## Nebula

A nebula (cloud, fog;: nebulae, nebulæ, or nebulas) is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral, or molecular hydrogen and also cosmic dust.

See 8 and Nebula

## Nestlé

Nestlé S.A. is a Swiss multinational food and drink processing conglomerate corporation headquartered in Vevey, Switzerland.

See 8 and Nestlé

## New General Catalogue

The New General Catalogue of Nebulae and Clusters of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888.

See 8 and New General Catalogue

## Niemeier lattice

In mathematics, a Niemeier lattice is one of the 24 positive definite even unimodular lattices of rank 24, which were classified by.

## Nintendo Entertainment System

The Nintendo Entertainment System (NES) is an 8-bit home video game console produced by Nintendo.

See 8 and Nintendo Entertainment System

## Noah's Ark

Noah's Ark (תיבת נח; Biblical Hebrew: Tevat Noaḥ)The word "ark" in modern English comes from Old English aerca, meaning a chest or box.

See 8 and Noah's Ark

## 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 8 and Noble Eightfold Path

## Number Eight

Number Eight may refer to.

## 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 8 and Numerology

## Ocean's 8

Ocean's Eight (stylized on screen as Ocean's 8) is a 2018 American heist comedy film directed by Gary Ross and written by Ross and Olivia Milch.

See 8 and Ocean's 8

## Octagon

In geometry, an octagon is an eight-sided polygon or 8-gon. 8 and octagon are 8 (number).

See 8 and Octagon

## Octagonal number

An octagonal number is a figurate number that gives the number of points in a certain octagonal arrangement.

## Octagram

In geometry, an octagram is an eight-angled star polygon. 8 and octagram are 8 (number).

See 8 and Octagram

## 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 8 and Octahedron

## Octal

Octal (base 8) is a numeral system with eight as the base.

See 8 and Octal

## Octatonic scale

An octatonic scale is any eight-note musical scale.

## Octavarium

Octavarium is the eighth studio album by American progressive metal band Dream Theater.

See 8 and Octavarium

## 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 8 and Octave

## Octet (music)

In music, an octet is a musical ensemble consisting of eight instruments or voices, or a musical composition written for such an ensemble.

## Octet rule

The octet rule is a chemical rule of thumb that reflects the theory that main-group elements tend to bond in such a way that each atom has eight electrons in its valence shell, giving it the same electronic configuration as a noble gas.

See 8 and Octet rule

## Octocorallia

Octocorallia (also known as Alcyonaria) is a class of Anthozoa comprising over 3,000 species of marine organisms formed of colonial polyps with 8-fold symmetry.

## Octonary

An octonary is an eight-line section in a poem, song or psalm.

See 8 and Octonary

## Octonion

In mathematics, the octonions are a normed division algebra over the real numbers, a kind of hypercomplex number system.

See 8 and Octonion

## Octopus

An octopus (octopuses or octopodes) is a soft-bodied, eight-limbed mollusc of the order Octopoda. The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.

See 8 and Octopus

## Octosyllable

The octosyllable or octosyllabic verse is a line of verse with eight syllables.

## Ogdoad (Egyptian)

In Egyptian mythology, the Ogdoad (ὀγδοάς "the Eightfold"; ḫmnyw, a plural nisba of ḫmnw "eight") were eight primordial deities worshiped in Hermopolis.

## Ogdoad (Gnosticism)

The concept of an Ogdoad (Greek: ὀγδοάς) appears in Gnostic systems of the early Christian era, and was further developed by the theologian Valentinus (ca. 160 AD).

## Old Chinese

Old Chinese, also called Archaic Chinese in older works, is the oldest attested stage of Chinese, and the ancestor of all modern varieties of Chinese.

## Old Norse

Old Norse, Old Nordic, or Old Scandinavian is a stage of development of North Germanic dialects before their final divergence into separate Nordic languages.

See 8 and Old Norse

## Orb-weaver spider

Orb-weaver spiders are members of the spider family Araneidae.

## Order (group theory)

In mathematics, the order of a finite group is the number of its elements.

See 8 and Order (group theory)

## Orthogonal group

In mathematics, the orthogonal group in dimension, denoted, is the group of distance-preserving transformations of a Euclidean space of dimension that preserve a fixed point, where the group operation is given by composing transformations.

## Orthographic projection

Orthographic projection (also orthogonal projection and analemma) is a means of representing three-dimensional objects in two dimensions.

See 8 and Orthographic projection

## Orthonormal basis

In mathematics, particularly linear algebra, an orthonormal basis for an inner product space V with finite dimension is a basis for V whose vectors are orthonormal, that is, they are all unit vectors and orthogonal to each other.

## Ounce

The ounce is any of several different units of mass, weight, or volume and is derived almost unchanged from the uncia, an Ancient Roman unit of measurement.

See 8 and Ounce

## Outasight

Richard Andrew Conte (born February 17, 1983), better known by his stage name Outasight, is an American singer-songwriter, rapper, and record producer born and raised in Yonkers, New York.

See 8 and Outasight

## Outer automorphism group

In mathematics, the outer automorphism group of a group,, is the quotient,, where is the automorphism group of and) is the subgroup consisting of inner automorphisms.

See 8 and Outer automorphism group

## Oxygen

Oxygen is a chemical element; it has symbol O and atomic number 8.

See 8 and Oxygen

## Pagoda

A pagoda is a tiered tower with multiple eaves common to Thailand, Cambodia, Nepal, China, Japan, Korea, Myanmar, Vietnam, and other parts of Asia.

See 8 and Pagoda

## Parallelohedron

In geometry, a parallelohedron is a polyhedron that can be translated without rotations in 3-dimensional Euclidean space to fill space with a honeycomb in which all copies of the polyhedron meet face-to-face.

## Particle physics

Particle physics or high-energy physics is the study of fundamental particles and forces that constitute matter and radiation.

## Pegasus (constellation)

Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology.

See 8 and Pegasus (constellation)

## Pell number

In mathematics, the Pell numbers are an infinite sequence of integers, known since ancient times, that comprise the denominators of the closest rational approximations to the square root of 2.

## Perfect power

In mathematics, a perfect power is a natural number that is a product of equal natural factors, or, in other words, an integer that can be expressed as a square or a higher integer power of another integer greater than one.

## Permanent teeth

Permanent teeth or adult teeth are the second set of teeth formed in diphyodont mammals.

## Permutohedron

In mathematics, the permutohedron (also spelled permutahedron) of order n is an (n − 1)-dimensional polytope embedded in an n-dimensional space.

## 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.

## Petrie polygon

In geometry, a Petrie polygon for a regular polytope of dimensions is a skew polygon in which every consecutive sides (but no) belongs to one of the facets.

## Pint

The pint (symbol pt, sometimes abbreviated as p) is a unit of volume or capacity in both the imperial and United States customary measurement systems.

See 8 and Pint

## Pinyin

Hanyu Pinyin, or simply pinyin, is the most common romanization system for Standard Chinese.

See 8 and Pinyin

## Planet

A planet is a large, rounded astronomical body that is generally required to be in orbit around a star, stellar remnant, or brown dwarf, and is not one itself.

See 8 and Planet

## Pluto

Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune.

See 8 and Pluto

## Polygon

In geometry, a polygon is a plane figure made up of line segments connected to form a closed polygonal chain.

See 8 and Polygon

## Pool (cue sports)

Pool is the name given to a series of cue sports played on a billiard table.

## Power of two

A power of two is a number of the form where is an integer, that is, the result of exponentiation with number two as the base and integer as the exponent. 8 and power of two are integers.

## Primary pseudoperfect number

In mathematics, and particularly in number theory, N is a primary pseudoperfect number if it satisfies the Egyptian fraction equation where the sum is over only the prime divisors of N.

See 8 and Primary pseudoperfect number

## 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.

## 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.

## Prismatic compound of antiprisms

In geometry, a prismatic compound of antiprism is a category of uniform polyhedron compound.

See 8 and Prismatic compound of antiprisms

## Prismatic compound of antiprisms with rotational freedom

Each member of this infinite family of uniform polyhedron compounds is a symmetric arrangement of antiprisms sharing a common axis of rotational symmetry.

See 8 and Prismatic compound of antiprisms with rotational freedom

## Proto-Germanic language

Proto-Germanic (abbreviated PGmc; also called Common Germanic) is the reconstructed proto-language of the Germanic branch of the Indo-European languages.

See 8 and Proto-Germanic language

## Proto-Indo-European numerals

The numerals and derived numbers of the Proto-Indo-European language (PIE) have been reconstructed by modern linguists based on similarities found across all Indo-European languages.

See 8 and Proto-Indo-European numerals

## Proto-Turkic language

Proto-Turkic is the linguistic reconstruction of the common ancestor of the Turkic languages that was spoken by the Proto-Turks before their divergence into the various Turkic peoples.

See 8 and Proto-Turkic language

## Prototile

In mathematics, a prototile is one of the shapes of a tile in a tessellation.

See 8 and Prototile

## Pseudo-Riemannian manifold

In mathematical physics, a pseudo-Riemannian manifold, also called a semi-Riemannian manifold, is a differentiable manifold with a metric tensor that is everywhere nondegenerate.

See 8 and Pseudo-Riemannian manifold

## Psilocybin mushroom

Psilocybin mushrooms, commonly known as magic mushrooms or shrooms, are a polyphyletic informal group of fungi that contain psilocybin, which turns into psilocin upon ingestion.

## Quadrille

The quadrille is a dance that was fashionable in late 18th- and 19th-century Europe and its colonies.

See 8 and Quadrille

## Quasiregular polyhedron

In geometry, a quasiregular polyhedron is a uniform polyhedron that has exactly two kinds of regular faces, which alternate around each vertex.

See 8 and Quasiregular polyhedron

## Quentin Tarantino

Quentin Jerome Tarantino (born March 27, 1963) is an American filmmaker and actor.

## Rectification (geometry)

In Euclidean geometry, rectification, also known as critical truncation or complete-truncation, is the process of truncating a polytope by marking the midpoints of all its edges, and cutting off its vertices at those points.

See 8 and Rectification (geometry)

## Rectified 5-cell

In four-dimensional geometry, the rectified 5-cell is a uniform 4-polytope composed of 5 regular tetrahedral and 5 regular octahedral cells.

## Rectified 600-cell

In geometry, the rectified 600-cell or rectified hexacosichoron is a convex uniform 4-polytope composed of 600 regular octahedra and 120 icosahedra cells.

## Refactorable number

A refactorable number or tau number is an integer n that is divisible by the count of its divisors, or to put it algebraically, n is such that \tau(n)\mid n. The first few refactorable numbers are listed in as For example, 18 has 6 divisors (1 and 18, 2 and 9, 3 and 6) and is divisible by 6.

## 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.

## Ring (mathematics)

In mathematics, rings are algebraic structures that generalize fields: multiplication need not be commutative and multiplicative inverses need not exist.

## Roman numerals

Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages.

## Root system

In mathematics, a root system is a configuration of vectors in a Euclidean space satisfying certain geometrical properties.

## Rowing (sport)

Rowing, often called crew in the United States, is the sport of racing boats using oars.

## Rub el Hizb

The Rub el Hizb (quarter of the party) is an Islamic symbol in the shape of an octagram, represented as two overlapping squares ۞.

## 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 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 8 and Rugby union positions

## Sagittarius (constellation)

Sagittarius is one of the constellations of the zodiac and is located in the Southern celestial hemisphere.

See 8 and Sagittarius (constellation)

## Samantabhadra (Bodhisattva)

Samantabhadra (lit. "Universal Worthy", "All Good") is a great bodhisattva in Buddhism associated with practice and meditation.

See 8 and Samantabhadra (Bodhisattva)

## Sand table

A sand table uses constrained sand for modelling or educational purposes.

See 8 and Sand table

## Scientology

Scientology is a set of beliefs and practices invented by the American author L. Ron Hubbard, and an associated movement.

## 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 8 and Scorpius

## Section 8 (housing)

Section 8 of the Housing Act of 1937, commonly known as Section 8, provides rental housing assistance to low-income households in the United States by paying private landlords on behalf of these tenants.

## Semiprime

In mathematics, a semiprime is a natural number that is the product of exactly two prime numbers.

See 8 and Semiprime

## Semiregular polytope

In geometry, by Thorold Gosset's definition a semiregular polytope is usually taken to be a polytope that is vertex-transitive and has all its facets being regular polytopes.

See 8 and Semiregular polytope

## Semitic languages

The Semitic languages are a branch of the Afroasiatic language family.

## 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 8 and Seven-segment display

## Shape

A shape is a graphical representation of an object's form or its external boundary, outline, or external surface.

See 8 and Shape

## Shemini Atzeret

Shemini Atzeret (—"Eighth Assembly") is a Jewish holiday.

## Shipping Forecast

The Shipping Forecast is a BBC Radio broadcast of weather reports and forecasts for the seas around the British Isles.

## Silver ratio

In mathematics, two quantities are in the silver ratio (or silver mean) if the ratio of the larger of those two quantities to the smaller quantity is the same as the ratio of the sum of the smaller quantity plus twice the larger quantity to the larger quantity (see below).

## Simon Stevin (journal)

Simon Stevin was a Dutch language academic journal in pure and applied mathematics, or Wiskunde as the field is known in Dutch.

See 8 and Simon Stevin (journal)

## Simple group

In mathematics, a simple group is a nontrivial group whose only normal subgroups are the trivial group and the group itself.

## 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.

## Sk8er Boi

"Sk8er Boi" (pronounced "skater boy") is a song by Canadian singer-songwriter Avril Lavigne, released as the second single from her debut album, Let Go (2002).

See 8 and Sk8er Boi

## Slipknot (band)

Slipknot is an American heavy metal band formed in Des Moines, Iowa, in 1995 by percussionist Shawn Crahan, former vocalist Anders Colsefni and bassist Paul Gray.

## Snub 24-cell

In geometry, the snub 24-cell or snub disicositetrachoron is a convex uniform 4-polytope composed of 120 regular tetrahedral and 24 icosahedral cells.

## Solar System

The Solar SystemCapitalization of the name varies.

## 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 8 and Sorani

## Spanish dollar

The Spanish dollar, also known as the piece of eight (real de a ocho, dólar, peso duro, peso fuerte or peso), is a silver coin of approximately diameter worth eight Spanish reales.

## Special unitary group

In mathematics, the special unitary group of degree, denoted, is the Lie group of unitary matrices with determinant 1.

See 8 and Special unitary group

## Sphenic number

In number theory, a sphenic number (from σφήνα, 'wedge') is a positive integer that is the product of three distinct prime numbers.

## Sphere

A sphere (from Greek) is a geometrical object that is a three-dimensional analogue to a two-dimensional circle.

See 8 and Sphere

## Spider

Spiders (order Araneae) are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk.

See 8 and Spider

## Spin group

In mathematics the spin group, denoted Spin(n), is a Lie group whose underlying manifold is the double cover of the special orthogonal group, such that there exists a short exact sequence of Lie groups (when) The group multiplication law on the double cover is given by lifting the multiplication on \operatorname(n).

See 8 and Spin group

## Spinal nerve

A spinal nerve is a mixed nerve, which carries motor, sensory, and autonomic signals between the spinal cord and the body.

## Spinor

In geometry and physics, spinors are elements of a complex number-based vector space that can be associated with Euclidean space.

See 8 and Spinor

## Sporadic group

In the mathematical classification of finite simple groups, there are a number of groups which do not fit into any infinite family.

## Springer Science+Business Media

Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

See 8 and Springer Science+Business Media

## 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).

See 8 and Square

## 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. 8 and square number are integers.

## Square root of 2

The square root of 2 (approximately 1.4142) is a real number that, when multiplied by itself or squared, equals the number 2.

## Standard Chinese

Standard Chinese is a modern standard form of Mandarin Chinese that was first codified during the republican era (1912‒1949).

## Standard Model

The Standard Model of particle physics is the theory describing three of the four known fundamental forces (electromagnetic, weak and strong interactions – excluding gravity) in the universe and classifying all known elementary particles.

## Stargate Atlantis

Stargate Atlantis (usually stylized in all caps and often abbreviated SGA) is an adventure and military science fiction television series and part of MGM's ''Stargate'' franchise.

## Stargate SG-1

Stargate SG-1 (often stylized in all caps, or abbreviated SG-1) is a military science fiction adventure television series within Metro-Goldwyn-Mayer's ''Stargate'' franchise.

## Statistical mechanics

In physics, statistical mechanics is a mathematical framework that applies statistical methods and probability theory to large assemblies of microscopic entities.

See 8 and Statistical mechanics

## Stellated octahedron

The stellated octahedron is the only stellation of the octahedron.

See 8 and Stellated octahedron

## 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 8 and Stellation

## Stopper knot

A stopper knot (or simply stopper) is a knot that creates a fixed thicker point on an otherwise-uniform thickness rope for the purpose of preventing the rope, at that point, from slipping through a narrow passage, such as a hole in a block.

## Subgroup

In group theory, a branch of mathematics, given a group under a binary operation ∗, a subset of is called a subgroup of if also forms a group under the operation ∗.

See 8 and Subgroup

## 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 8 and Sukkot

## Sulfur

Sulfur (also spelled sulphur in British English) is a chemical element; it has symbol S and atomic number 16.

See 8 and Sulfur

## 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.

## Supercluster (band)

Supercluster is a recording project that formed during 2007 in Athens, Georgia.

## Supersingular prime (moonshine theory)

In the mathematical branch of moonshine theory, a supersingular prime is a prime number that divides the order of the Monster group M, which is the largest sporadic simple group.

See 8 and Supersingular prime (moonshine theory)

## Sylvester's sequence

In number theory, Sylvester's sequence is an integer sequence in which each term is the product of the previous terms, plus one.

See 8 and Sylvester's sequence

## Symmetric group

In abstract algebra, the symmetric group defined over any set is the group whose elements are all the bijections from the set to itself, and whose group operation is the composition of functions.

## T

T, or t, is the twentieth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.

See 8 and T

## Tablespoon

A tablespoon (tbsp., Tbsp., Tb., or T.) is a large spoon.

See 8 and Tablespoon

## Tamil language

Tamil (தமிழ்) is a Dravidian language natively spoken by the Tamil people of South Asia.

## 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.

## Terry Pratchett

Sir Terence David John Pratchett (28 April 1948 – 12 March 2015) was an English author, humorist, and satirist, best known for the Discworld series of 41 comic fantasy novels published between 1983–2015, and for the apocalyptic comedy novel Good Omens (1990), which he co-wrote with Neil Gaiman.

## 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 8 and Tesseract

## Tesseractic honeycomb

In four-dimensional euclidean geometry, the tesseractic honeycomb is one of the three regular space-filling tessellations (or honeycombs), represented by Schläfli symbol, and consisting of a packing of tesseracts (4-hypercubes).

See 8 and Tesseractic honeycomb

## Tetragonal crystal system

In crystallography, the tetragonal crystal system is one of the 7 crystal systems.

See 8 and Tetragonal crystal system

## 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.

## 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 Hateful Eight

The Hateful Eight is a 2015 American Western film written and directed by Quentin Tarantino.

## The Hunting of the Snark

The Hunting of the Snark, subtitled An Agony, in Eight fits, is a poem by the English writer Lewis Carroll.

See 8 and The Hunting of the Snark

## The Magical Number Seven, Plus or Minus Two

"The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information" is one of the most highly cited papers in psychology.

See 8 and The Magical Number Seven, Plus or Minus Two

## The Mathematical Gazette

The Mathematical Gazette is a triannual peer-reviewed academic journal published by Cambridge University Press on behalf of the Mathematical Association.

See 8 and The Mathematical Gazette

## The Meaning of 8

The Meaning of 8 is the seventh studio album by the experimental indie rock band Cloud Cult.

## The Twelve Days of Christmas (song)

"The Twelve Days of Christmas" is an English Christmas carol.

See 8 and The Twelve Days of Christmas (song)

## The8

Xu Minghao (서명호; born 7 November 1997), known professionally as The8, is a Chinese singer and dancer based in South Korea.

See 8 and The8

## 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 8 and Three-dimensional space

## Throne of God

The throne of God is the reigning centre of God in the Abrahamic religions: primarily Judaism, Christianity, and Islam.

## Time in China

The time in China follows a single standard time offset of UTC+08:00 (eight hours ahead of Coordinated Universal Time) based on the National Time Service Center of Chinese Academy of Sciences located in Mount Li, Lintong District, Xi'an City, Shaanxi Province, even though the country spans five geographical time zones.

## Timothy Leary

Timothy Francis Leary (October 22, 1920 – May 31, 1996) was an American psychologist and author known for his strong advocacy of psychedelic drugs.

## Triality

In mathematics, triality is a relationship among three vector spaces, analogous to the duality relation between dual vector spaces.

See 8 and Triality

## Triangle

A triangle is a polygon with three corners and three sides, one of the basic shapes in geometry.

See 8 and Triangle

## Triangular number

A triangular number or triangle number counts objects arranged in an equilateral triangle.

## Triangular prism

In geometry, a triangular prism or trigonal prism is a prism with 2 triangular bases.

## Truncated octahedron

In geometry, the truncated octahedron is the Archimedean solid that arises from a regular octahedron by removing six pyramids, one at each of the octahedron's vertices.

See 8 and Truncated octahedron

## Truncated square tiling

In geometry, the truncated square tiling is a semiregular tiling by regular polygons of the Euclidean plane with one square and two octagons on each vertex.

See 8 and Truncated square tiling

## Truncated tetrahedron

In geometry, the truncated tetrahedron is an Archimedean solid.

See 8 and Truncated tetrahedron

## Truncation (geometry)

In geometry, a truncation is an operation in any dimension that cuts polytope vertices, creating a new facet in place of each vertex.

See 8 and Truncation (geometry)

## Turkic languages

The Turkic languages are a language family of more than 35 documented languages, spoken by the Turkic peoples of Eurasia from Eastern Europe and Southern Europe to Central Asia, East Asia, North Asia (Siberia), and West Asia.

## 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 8 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 8 and Typeface

## U

U, or u, is the twenty-first letter and the fifth vowel letter of the Latin alphabet, used in the modern English alphabet and the alphabets of other western European languages and others worldwide.

See 8 and U

## Udupi

Udupi (also spelled Udipi, and known as Odipu in Tulu) is a city in the Indian state of Karnataka.

See 8 and Udupi

## 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 k 21 polytope

In geometry, a uniform k21 polytope is a polytope in k + 4 dimensions constructed from the ''E''''n'' Coxeter group, and having only regular polytope facets.

See 8 and Uniform k 21 polytope

## Uniform polyhedron compound

In geometry, a uniform polyhedron compound is a polyhedral compound whose constituents are identical (although possibly enantiomorphous) uniform polyhedra, in an arrangement that is also uniform, i.e. the symmetry group of the compound acts transitively on the compound's vertices.

See 8 and Uniform polyhedron compound

## Unimodular lattice

In geometry and mathematical group theory, a unimodular lattice is an integral lattice of determinant 1 or −1.

## United States customary units

United States customary units form a system of measurement units commonly used in the United States and most U.S. territories, since being standardized and adopted in 1832.

See 8 and United States customary units

## United States Department of Housing and Urban Development

The United States Department of Housing and Urban Development (HUD) is one of the executive departments of the U.S. federal government.

See 8 and United States Department of Housing and Urban Development

## University of Waterloo

The University of Waterloo (UWaterloo, UW, or Waterloo) is a public research university with a main campus in Waterloo, Ontario, Canada.

See 8 and University of Waterloo

## V

V, or v, is the twenty-second letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.

See 8 and V

## V8 (drink)

V8 Vegetable Juice, sometimes simply referred to as V8, is a trademarked name for a number of beverage products sold worldwide that are made from eight vegetables, or a mixture of vegetables and fruits.

See 8 and V8 (drink)

## V8 engine

A V8 engine is an eight-cylinder piston engine in which two banks of four cylinders share a common crankshaft and are arranged in a V configuration.

See 8 and V8 engine

## Vajrapani

(Sanskrit; Pali: Vajirapāṇi, 'holder of the thunderbolt', lit. meaning, "Vajra in hand") is one of the earliest-appearing bodhisattvas in Mahayana Buddhism.

See 8 and Vajrapani

## Vector (mathematics and physics)

In mathematics and physics, vector is a term that refers informally to some quantities that cannot be expressed by a single number (a scalar), or to elements of some vector spaces.

See 8 and Vector (mathematics and physics)

## Vehicle registration plate

A vehicle registration plate, also known as a number plate (British, Indian and Australian English) or license plate (American English) or licence plate (Canadian English), is a metal or plastic plate attached to a motor vehicle or trailer for official identification purposes.

See 8 and Vehicle registration plate

## Venezuela

Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in the Caribbean Sea.

See 8 and Venezuela

## Vertex (geometry)

In geometry, a vertex (vertices or vertexes) is a point where two or more curves, lines, or edges meet or intersect.

## Vertex figure

In geometry, a vertex figure, broadly speaking, is the figure exposed when a corner of a polyhedron or polytope is sliced off.

## Volute

A volute is a spiral, scroll-like ornament that forms the basis of the Ionic order, found in the capital of the Ionic column.

See 8 and Volute

## Wheel of the Year

The Wheel of the Year is an annual cycle of seasonal festivals, observed by a range of modern pagans, marking the year's chief solar events (solstices and equinoxes) and the midpoints between them.

## When We All Fall Asleep, Where Do We Go?

When We All Fall Asleep, Where Do We Go? is the debut studio album by American singer-songwriter Billie Eilish.

See 8 and When We All Fall Asleep, Where Do We Go?

## Wicca

Wicca, also known as "The Craft", is a modern pagan, syncretic, earth-centered religion.

See 8 and Wicca

## Wind

Wind is the natural movement of air or other gases relative to a planet's surface.

See 8 and Wind

## Wisdom tooth

The third molar, commonly called wisdom tooth, is the most posterior of the three molars in each quadrant of the human dentition.

## Witting polytope

In 4-dimensional complex geometry, the Witting polytope is a regular complex polytope, named as: 3333, and Coxeter diagram.

## Women's College World Series

The Women's College World Series (WCWS) is the final portion of the NCAA Division I softball tournament for college softball in the United States.

See 8 and Women's College World Series

## Wormhole

A wormhole is a hypothetical structure connecting disparate points in spacetime, and is based on a special solution of the Einstein field equations.

See 8 and Wormhole

## Yogachara

Yogachara (योगाचार, IAST) is an influential tradition of Buddhist philosophy and psychology emphasizing the study of cognition, perception, and consciousness through the interior lens of meditation, as well as philosophical reasoning (hetuvidyā).

See 8 and Yogachara

## 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 8 and Zodiac

## Zygaenidae

The Zygaenidae moths are a family of Lepidoptera.

See 8 and Zygaenidae

## 0

0 (zero) is a number representing an empty quantity. 8 and 0 are integers.

See 8 and 0

## 1

1 (one, unit, unity) is a number representing a single or the only entity. 8 and 1 are integers.

See 8 and 1

## 10

10 (ten) is the even natural number following 9 and preceding 11. 8 and 10 are integers.

See 8 and 10

## 104 (number)

104 (one hundred four) is the natural number following 103 and preceding 105. 8 and 104 (number) are integers.

## 112 (number)

112 (one hundred twelve) is the natural number following 111 and preceding 113. 8 and 112 (number) are integers.

## 12 (number)

12 (twelve) is the natural number following 11 and preceding 13. 8 and 12 (number) are integers.

## 120 (number)

120 (one hundred twenty) is the natural number following 119 and preceding 121. 8 and 120 (number) are integers.

## 16 (number)

16 (sixteen) is the natural number following 15 and preceding 17. 8 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 8 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.

## 2

2 (two) is a number, numeral and digit. 8 and 2 are integers.

See 8 and 2

## 2 21 polytope

In 6-dimensional geometry, the 221 polytope is a uniform 6-polytope, constructed within the symmetry of the E6 group.

## 2008 Summer Olympics

The 2008 Summer Olympics, officially the Games of the XXIX Olympiad and officially branded as Beijing 2008, were an international multisport event held from 8 to 24 August 2008, in Beijing, China.

See 8 and 2008 Summer Olympics

## 22, A Million

22, A Million is the third studio album by American indie folk band Bon Iver, released on September 30, 2016.

## 24 (number)

24 (twenty-four) is the natural number following 23 and preceding 25. 8 and 24 (number) are integers.

## 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 8 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.

## 240 (number)

240 (two hundred forty) is the natural number following 239 and preceding 241. 8 and 240 (number) are integers.

## 3

3 (three) is a number, numeral and digit. 8 and 3 are integers.

See 8 and 3

## 3 21 polytope

In 7-dimensional geometry, the 321 polytope is a uniform 7-polytope, constructed within the symmetry of the E7 group.

## 32 (number)

32 (thirty-two) is the natural number following 31 and preceding 33. 8 and 32 (number) are integers.

## 36 (number)

36 (thirty-six) is the natural number following 35 and preceding 37. 8 and 36 (number) are integers.

## 3D4

In mathematics, the Steinberg triality groups of type 3D4 form a family of Steinberg or twisted Chevalley groups.

See 8 and 3D4

## 4

4 (four) is a number, numeral and digit. 8 and 4 are integers.

See 8 and 4

## 4 21 polytope

In 8-dimensional geometry, the 421 is a semiregular uniform 8-polytope, constructed within the symmetry of the E8 group.

## 40 (number)

40 (forty) is the natural number following 39 and preceding 41. 8 and 40 (number) are integers.

## 42 (number)

42 (forty-two) is the natural number that follows 41 and precedes 43. 8 and 42 (number) are integers.

## 48 (number)

48 (forty-eight) is the natural number following 47 and preceding 49. 8 and 48 (number) are integers.

## 49 (number)

49 (forty-nine) is the natural number following 48 and preceding 50. 8 and 49 (number) are integers.

## 5

5 (five) is a number, numeral and digit. 8 and 5 are integers.

See 8 and 5

## 5 21 honeycomb

In geometry, the 521 honeycomb is a uniform tessellation of 8-dimensional Euclidean space.

## 5-demicube

In five-dimensional geometry, a demipenteract or 5-demicube is a semiregular 5-polytope, constructed from a 5-hypercube (penteract) with alternated vertices removed.

See 8 and 5-demicube

## 53 (number)

53 (fifty-three) is the natural number following 52 and preceding 54. 8 and 53 (number) are integers.

## 56 (number)

56 (fifty-six) is the natural number following 55 and preceding 57. 8 and 56 (number) are integers.

## 61 (number)

61 (sixty-one) is the natural number following 60 and preceding 62. 8 and 61 (number) are integers.

## 63 (number)

63 (sixty-three) is the natural number following 62 and preceding 64. 8 and 63 (number) are integers.

## 64 (number)

64 (sixty-four) is the natural number following 63 and preceding 65. 8 and 64 (number) are integers.

## 7

7 (seven) is the natural number following 6 and preceding 8. 8 and 7 are integers.

See 8 and 7

## 71 (number)

71 (seventy-one) is the natural number following 70 and preceding 72. 8 and 71 (number) are integers.

## 72 (number)

72 (seventy-two) is the natural number following 71 and preceding 73. 8 and 72 (number) are integers.

## 744 (number)

744 (seven hundred forty four) is the natural number following 743 and preceding 745. 8 and 744 (number) are integers.

## 8 (disambiguation)

8 is a number, numeral, and glyph.

## 8 (Incubus album)

8 is the eighth studio album by American rock band Incubus.

## 8 BC

Year 8 BC was either a common year starting on Friday or Saturday or a leap year starting on Thursday (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 Wednesday of the Proleptic Julian calendar.

See 8 and 8 BC

## 8 Guys

8 Guys is a short film written and directed by American comedian Dane Cook.

See 8 and 8 Guys

## 8 Man

or or is a manga and superhero anime created in 1963 by science fiction writer Kazumasa Hirai and manga artist Jiro Kuwata.

See 8 and 8 Man

## 8 Mile (film)

8 Mile is a 2002 American drama film written by Scott Silver and directed by Curtis Hanson.

## 8 mm video format

The 8mm video format refers informally to three related videocassette formats.

## 8 Women

8 Women (8 femmes) is a 2002 dark comedy musical film written and directed by François Ozon.

See 8 and 8 Women

## 8-track cartridge

The 8-track tape (formally Stereo 8; commonly called eight-track cartridge, eight-track tape, and eight-track) is a magnetic-tape sound recording technology that was popular from the mid-1960s to the early 1980s, when the compact cassette, which pre-dated the 8-track system, surpassed it in popularity for pre-recorded music.

## 80 (number)

80 (eighty) is the natural number following 79 and preceding 81. 8 and 80 (number) are integers.

## 88 (number)

88 (eighty-eight) is the natural number following 87 and preceding 89. 8 and 88 (number) are integers.

## 8mm (film)

8mm is a 1999 American crime thriller film directed by Joel Schumacher and written by Andrew Kevin Walker.

See 8 and 8mm (film)

## 9

9 (nine) is the natural number following and preceding. 8 and 9 are integers.

See 8 and 9

## 96 (number)

96 (ninety-six) is the natural number following 95 and preceding 97. 8 and 96 (number) are integers.

## See also

### 8 (number)

- 8
- Byte
- Eight-dimensional space
- Eighth Wonder of the World
- Historic Eight Documents
- Malebolge
- Octagon
- Octagram
- Octavius (praenomen)
- Octavo
- Octets

## References

Also known as 1 B3, 1B3, 2**3, 2^3, 2³, 8 (number), 8th, 8⃣, ASCII 56, The number 8, The number eight, U+0038, VIII, \x38, , ٨.

, BlackBerry Pearl, Bon Iver, Book of Revelation, Bott periodicity theorem, Brahmi numerals, Brit milah, Bruce Robinson, Buddha's Birthday, Buddhism, Byte, Cannabis (drug), Cantonese, Cardinal number, Catalan's conjecture, Cayley–Dickson construction, Center fielder, Central angle, Centralizer and normalizer, Chess, Chinese calendar, Chinese numerals, Chinese numerology, Choliamb, Circumcision, Clifford algebra, Clothing sizes, Cloud Cult, College World Series, Colombia, Columbia University Press, Complex number, Complex polytope, Composite number, Compound of cube and octahedron, Compound of five octahedra, Computer, Constellation, Coreopsis, Corey Taylor, Corinthian order, Covering group, Coxswain, Crazy Eights, Ctenophora, Cube, Cube (algebra), Cubic honeycomb, Cuboctahedron, Cup (unit), Curling, Curtis Hanson, Dane Cook, David R. Cheriton School of Computer Science, Decimal, Deltahedron, Devanagari, Dharmachakra, Diatonic scale, Discworld, Discworld (world), Disphenoid, Division (mathematics), Divisor, Dream Theater, Dual polyhedron, Duoprism, Dwarf planet, Dynkin diagram, E6 (mathematics), E7 (mathematics), E8 (mathematics), E8 lattice, E9 honeycomb, Eastern Arabic numerals, Edwardsia, Egyptian mythology, Egyptian numerals, Eight Below, Eight Days a Week, Eight Immortals, Eight Is Enough, Eight Legged Freaks, Eight Men Out, Eight queens puzzle, Eight Seconds, Eight-ball, Eight-ball (disambiguation), Eight-circuit model of consciousness, Eight-vertex model, Eightfold way (physics), Eighth note, Elliott Smith, Ellory Elkayem, Equilateral triangle, Euclidean space, Euclidean tilings by convex regular polygons, Exceptional Lie algebra, Exponentiation, Face (geometry), Facet (geometry), Faceting, Fibonacci Quarterly, Fibonacci sequence, Figurate number, Figure 8 (album), Figure-eight knot, Finnic languages, Fischer group, Five-dimensional space, Fluid ounce, Four Noble Truths, Four-dimensional space, François Ozon, Frank Marshall (filmmaker), Furlong, G2 (mathematics), Gale, Gallon, Gary Ross, Gauge symmetry (mathematics), Gazebo, Geometry, Gill (unit), Gluon, Gnosticism, Greek numerals, Group of Lie type, Group representation, Guardians of the directions, Gyrobifastigium, Hanukkah, Hebrew language, Hessian polyhedron, Hexagon, Hexagonal prism, Hinduism, Hindus, Hindustani numerals, Honeycomb (geometry), Hurwitz quaternion, Hurwitz's theorem (composition algebras), Hyperbolic geometry, Hypercomplex number, Icosian, Icositetragon, Incubus (band), India, Infinity symbol, Inscribed figure, Internal and external angles, Internal combustion engine, Islam, Isogonal figure, Isomorphism, Isoprene, Isotopy of an algebra, Japan, Jennifer 8, Joel Schumacher, John Beebe, John Sayles, Johnson solid, Jon & Kate Plus 8, Jordan algebra, Journal of Integer Sequences, Jungian cognitive functions, K-theory, Kannada, Kṣitigarbha, Khmer numerals, Kislev, Lagoon Nebula, Lakshmi, Leech lattice, Lewis Carroll, Leyland number, List of finite simple groups, List of highways numbered 8, List of motion picture film formats, List of NGC objects (1–1000), Lord's Day, Lycopene, Lyons group, Macbeth, Macbeth (character), Madhvacharya, Magic number (physics), Mahayana, Maitreya, Malayalam, Manjushri, Mathematical physics, Mathieu group, Möbius–Kantor polygon, Messier object, Metre (poetry), Metric prefix, Middle Ages, Mode (music), Monstrous moonshine, Morse code, MSN Messenger, Multiple birth, Multiplication, Musical note, Myers–Briggs Type Indicator, N, National Rugby League, Natural number, NCAA Division I baseball tournament, NCAA Division I softball tournament, Nebula, Nestlé, New General Catalogue, Niemeier lattice, Nintendo Entertainment System, Noah's Ark, Noble Eightfold Path, Number Eight, Numerology, Ocean's 8, Octagon, Octagonal number, Octagram, Octahedral symmetry, Octahedron, Octal, Octatonic scale, Octavarium, Octave, Octet (music), Octet rule, Octocorallia, Octonary, Octonion, Octopus, Octosyllable, Ogdoad (Egyptian), Ogdoad (Gnosticism), Old Chinese, Old Norse, Orb-weaver spider, Order (group theory), Orthogonal group, Orthographic projection, Orthonormal basis, Ounce, Outasight, Outer automorphism group, Oxygen, Pagoda, Parallelohedron, Particle physics, Pegasus (constellation), Pell number, Perfect power, Permanent teeth, Permutohedron, Persian language, Petrie polygon, Pint, Pinyin, Planet, Pluto, Polygon, Pool (cue sports), Power of two, Primary pseudoperfect number, Prime number, Prism (geometry), Prismatic compound of antiprisms, Prismatic compound of antiprisms with rotational freedom, Proto-Germanic language, Proto-Indo-European numerals, Proto-Turkic language, Prototile, Pseudo-Riemannian manifold, Psilocybin mushroom, Quadrille, Quasiregular polyhedron, Quentin Tarantino, Rectification (geometry), Rectified 5-cell, Rectified 600-cell, Refactorable number, Regular polytope, Ring (mathematics), Roman numerals, Root system, Rowing (sport), Rub el Hizb, Rugby league, Rugby union, Rugby union positions, Sagittarius (constellation), Samantabhadra (Bodhisattva), Sand table, Scientology, Scorpius, Section 8 (housing), Semiprime, Semiregular polytope, Semitic languages, Seven-segment display, Shape, Shemini Atzeret, Shipping Forecast, Silver ratio, Simon Stevin (journal), Simple group, Sindhi language, Sk8er Boi, Slipknot (band), Snub 24-cell, Solar System, Sorani, Spanish dollar, Special unitary group, Sphenic number, Sphere, Spider, Spin group, Spinal nerve, Spinor, Sporadic group, Springer Science+Business Media, Square, Square number, Square root of 2, Standard Chinese, Standard Model, Stargate Atlantis, Stargate SG-1, Statistical mechanics, Stellated octahedron, Stellation, Stopper knot, Subgroup, Subtraction, Sukkot, Sulfur, Super League, Supercluster (band), Supersingular prime (moonshine theory), Sylvester's sequence, Symmetric group, T, Tablespoon, Tamil language, Telugu language, Terry Pratchett, Tessellation, Tesseract, Tesseractic honeycomb, Tetragonal crystal system, Tetrahedron, Text figures, Thai numerals, The Beatles, The Hateful Eight, The Hunting of the Snark, The Magical Number Seven, Plus or Minus Two, The Mathematical Gazette, The Meaning of 8, The Twelve Days of Christmas (song), The8, Three-dimensional space, Throne of God, Time in China, Timothy Leary, Triality, Triangle, Triangular number, Triangular prism, Truncated octahedron, Truncated square tiling, Truncated tetrahedron, Truncation (geometry), Turkic languages, Twin prime, Typeface, U, Udupi, Uniform 4-polytope, Uniform k 21 polytope, Uniform polyhedron compound, Unimodular lattice, United States customary units, United States Department of Housing and Urban Development, University of Waterloo, V, V8 (drink), V8 engine, Vajrapani, Vector (mathematics and physics), Vehicle registration plate, Venezuela, Vertex (geometry), Vertex figure, Volute, Wheel of the Year, When We All Fall Asleep, Where Do We Go?, Wicca, Wind, Wisdom tooth, Witting polytope, Women's College World Series, Wormhole, Yogachara, Zodiac, Zygaenidae, 0, 1, 10, 104 (number), 112 (number), 12 (number), 120 (number), 16 (number), 16-cell, 16-cell honeycomb, 2, 2 21 polytope, 2008 Summer Olympics, 22, A Million, 24 (number), 24-cell, 24-cell honeycomb, 240 (number), 3, 3 21 polytope, 32 (number), 36 (number), 3D4, 4, 4 21 polytope, 40 (number), 42 (number), 48 (number), 49 (number), 5, 5 21 honeycomb, 5-demicube, 53 (number), 56 (number), 61 (number), 63 (number), 64 (number), 7, 71 (number), 72 (number), 744 (number), 8 (disambiguation), 8 (Incubus album), 8 BC, 8 Guys, 8 Man, 8 Mile (film), 8 mm video format, 8 Women, 8-track cartridge, 80 (number), 88 (number), 8mm (film), 9, 96 (number).