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Rho

Index Rho

Rho (uppercase Ρ, lowercase ρ or ϱ; ῥῶ) is the 17th letter of the Greek alphabet. [1]

58 relations: Ancient Greek, APL (programming language), Aspirated consonant, Charge density, Chi (letter), Chi Rho, Computer programming, Cylindrical coordinate system, Density, Density matrix, Density of air, Dental and alveolar flaps, Dental, alveolar and postalveolar trills, Ecology, Economics, Electrical resistivity and conductivity, Er (Cyrillic), Gemination, Glyph, Greek alphabet, Greek diacritics, Greek numerals, Hammett equation, Interest rate, Jesus, Lambda, LaTeX, Latin alphabet, Liquid consonant, Mathematics, Modern Greek, Molecular biology, Morphology (linguistics), Mu (letter), Nu (letter), Option (finance), Outline of physical science, Oxford University Gazette, P, Pearson correlation coefficient, Phoenician alphabet, Plastic number, R, Reinforcement learning, Resh, Rho factor, Rho meson, Rhodes Scholarship, Rough breathing, Science, ..., Smooth breathing, Spearman's rank correlation coefficient, Spectral radius, Spherical coordinate system, Statistics, TeX, Toroidal and poloidal, Voicelessness. Expand index (8 more) »

Ancient Greek

The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.

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APL (programming language)

APL (named after the book A Programming Language) is a programming language developed in the 1960s by Kenneth E. Iverson.

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Aspirated consonant

In phonetics, aspiration is the strong burst of breath that accompanies either the release or, in the case of preaspiration, the closure of some obstruents.

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Charge density

In electromagnetism, charge density is a measure of the amount of electric charge per unit length, surface area, or volume.

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Chi (letter)

Chi (uppercase Χ, lowercase χ; χῖ) is the 22nd letter of the Greek alphabet, pronounced or in English.

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Chi Rho

The Chi Rho (also known as chrismon or sigla) is one of the earliest forms of christogram, formed by superimposing the first two (capital) letters—chi and rho (ΧΡ)—of the Greek word ΧΡΙΣΤΟΣ (Christos) in such a way that the vertical stroke of the rho intersects the center of the chi.

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Computer programming

Computer programming is the process of building and designing an executable computer program for accomplishing a specific computing task.

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Cylindrical coordinate system

A cylindrical coordinate system is a three-dimensional coordinate system that specifies point positions by the distance from a chosen reference axis, the direction from the axis relative to a chosen reference direction, and the distance from a chosen reference plane perpendicular to the axis.

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Density

The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.

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Density matrix

A density matrix is a matrix that describes a quantum system in a mixed state, a statistical ensemble of several quantum states.

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Density of air

The density of air ρ (Greek: rho) (air density) is the mass per unit volume of Earth's atmosphere.

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Dental and alveolar flaps

The alveolar tap or flap is a type of consonantal sound, used in some spoken languages.

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Dental, alveolar and postalveolar trills

The alveolar trill is a type of consonantal sound, used in many spoken languages.

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Ecology

Ecology (from οἶκος, "house", or "environment"; -λογία, "study of") is the branch of biology which studies the interactions among organisms and their environment.

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Economics

Economics is the social science that studies the production, distribution, and consumption of goods and services.

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Electrical resistivity and conductivity

Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) is a fundamental property that quantifies how strongly a given material opposes the flow of electric current.

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Er (Cyrillic)

Er (Р р; italics: Р р) is a letter of the Cyrillic script.

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Gemination

Gemination, or consonant elongation, is the pronouncing in phonetics of a spoken consonant for an audibly longer period of time than that of a short consonant.

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Glyph

In typography, a glyph is an elemental symbol within an agreed set of symbols, intended to represent a readable character for the purposes of writing.

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Greek alphabet

The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC.

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Greek diacritics

Greek orthography has used a variety of diacritics starting in the Hellenistic period.

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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.

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Hammett equation

The Hammett equation in organic chemistry describes a linear free-energy relationship relating reaction rates and equilibrium constants for many reactions involving benzoic acid derivatives with meta- and para-substituents to each other with just two parameters: a substituent constant and a reaction constant.

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Interest rate

An interest rate is the amount of interest due per period, as a proportion of the amount lent, deposited or borrowed (called the principal sum).

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Jesus

Jesus, also referred to as Jesus of Nazareth and Jesus Christ, was a first-century Jewish preacher and religious leader.

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Lambda

Lambda, Λ, λ (uppercase Λ, lowercase λ; λάμ(β)δα lám(b)da) is the 11th letter of the Greek alphabet.

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LaTeX

LaTeX (or; a shortening of Lamport TeX) is a document preparation system.

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Latin alphabet

The Latin alphabet or the Roman alphabet is a writing system originally used by the ancient Romans to write the Latin language.

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Liquid consonant

In phonetics, liquids or liquid consonants are a class of consonants consisting of lateral consonants like 'l' together with rhotics like 'r'.

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Mathematics

Mathematics (from Greek μάθημα máthēma, "knowledge, study, learning") is the study of such topics as quantity, structure, space, and change.

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Modern Greek

Modern Greek (Νέα Ελληνικά or Νεοελληνική Γλώσσα "Neo-Hellenic", historically and colloquially also known as Ρωμαίικα "Romaic" or "Roman", and Γραικικά "Greek") refers to the dialects and varieties of the Greek language spoken in the modern era.

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Molecular biology

Molecular biology is a branch of biology which concerns the molecular basis of biological activity between biomolecules in the various systems of a cell, including the interactions between DNA, RNA, proteins and their biosynthesis, as well as the regulation of these interactions.

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Morphology (linguistics)

In linguistics, morphology is the study of words, how they are formed, and their relationship to other words in the same language.

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Mu (letter)

Mu (uppercase Μ, lowercase μ; Ancient Greek μῦ, μι or μυ—both) or my is the 12th letter of the Greek alphabet.

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Nu (letter)

Nu (uppercase Ν lowercase ν; νι ni) or ny is the 13th letter of the Greek alphabet.

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Option (finance)

In finance, an option is a contract which gives the buyer (the owner or holder of the option) the right, but not the obligation, to buy or sell an underlying asset or instrument at a specified strike price on a specified date, depending on the form of the option.

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Outline of physical science

Physical science is a branch of natural science that studies non-living systems, in contrast to life science.

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Oxford University Gazette

The Oxford University Gazette (often simply known as the Gazette locally) is the publication of record for the University of Oxford in England, used for official announcements.

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P

P (named pee) is the 16th letter of the modern English alphabet and the ISO basic Latin alphabet.

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Pearson correlation coefficient

In statistics, the Pearson correlation coefficient (PCC, pronounced), also referred to as Pearson's r, the Pearson product-moment correlation coefficient (PPMCC) or the bivariate correlation, is a measure of the linear correlation between two variables X and Y. It has a value between +1 and −1, where 1 is total positive linear correlation, 0 is no linear correlation, and −1 is total negative linear correlation.

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Phoenician alphabet

The Phoenician alphabet, called by convention the Proto-Canaanite alphabet for inscriptions older than around 1050 BC, is the oldest verified alphabet.

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Plastic number

In mathematics, the plastic number (also known as the plastic constant, the minimal Pisot number, the platin number, Siegel's number or, in French, le nombre radiant) is a mathematical constant which is the unique real solution of the cubic equation It has the exact value Its decimal expansion begins with.

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R

R (named ar/or) is the 18th letter of the modern English alphabet and the ISO basic Latin alphabet.

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Reinforcement learning

Reinforcement learning (RL) is an area of machine learning inspired by behaviourist psychology, concerned with how software agents ought to take actions in an environment so as to maximize some notion of cumulative reward.

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Resh

Resh is the twentieth letter of the Semitic abjads, including Phoenician Rēsh, Hebrew Rēsh, Aramaic Rēsh, Syriac Rēsh ܪ, and Arabic.

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Rho factor

A ρ factor (Rho factor) is a prokaryotic protein involved in the termination of transcription.

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Rho meson

In particle physics, a rho meson is a short-lived hadronic particle that is an isospin triplet whose three states are denoted as, and.

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Rhodes Scholarship

The Rhodes Scholarship, named after the Anglo-South African mining magnate and politician Cecil John Rhodes, is an international postgraduate award for students to study at the University of Oxford.

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Rough breathing

In the polytonic orthography of Ancient Greek, the rough breathing (dasỳ pneûma or δασεῖα daseîa; δασεία dasía; Latin spīritus asper), is a diacritical mark used to indicate the presence of an sound before a vowel, diphthong, or after rho.

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Science

R. P. Feynman, The Feynman Lectures on Physics, Vol.1, Chaps.1,2,&3.

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Smooth breathing

The smooth breathing (psilòn pneûma; ψιλή psilí; spīritus lēnis) is a diacritical mark used in polytonic orthography.

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Spearman's rank correlation coefficient

In statistics, Spearman's rank correlation coefficient or Spearman's rho, named after Charles Spearman and often denoted by the Greek letter \rho (rho) or as r_s, is a nonparametric measure of rank correlation (statistical dependence between the rankings of two variables).

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Spectral radius

In mathematics, the spectral radius of a square matrix or a bounded linear operator is the largest absolute value of its eigenvalues (i.e. supremum among the absolute values of the elements in its spectrum).

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Spherical coordinate system

In mathematics, a spherical coordinate system is a coordinate system for three-dimensional space where the position of a point is specified by three numbers: the radial distance of that point from a fixed origin, its polar angle measured from a fixed zenith direction, and the azimuth angle of its orthogonal projection on a reference plane that passes through the origin and is orthogonal to the zenith, measured from a fixed reference direction on that plane.

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Statistics

Statistics is a branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data.

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TeX

TeX (see below), stylized within the system as TeX, is a typesetting system (or "formatting system") designed and mostly written by Donald Knuth and released in 1978.

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Toroidal and poloidal

The earliest use of these terms cited by the Oxford English Dictionary (OED) is by Walter M. Elsasser (1946) in the context of the generation of the Earth's magnetic field by currents in the core, with "toroidal" being parallel to lines of latitude and "poloidal" being in the direction of the magnetic field (i.e. towards the poles).

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Voicelessness

In linguistics, voicelessness is the property of sounds being pronounced without the larynx vibrating.

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Redirects here:

RHO, Rho (Greek letter), Rho (Greek), Rho (letter), Rho (subclass), \rho, Ρ, Ρώ, ϼ.

References

[1] https://en.wikipedia.org/wiki/Rho

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