dyad

dy·ad

two units regarded as one; pair
Biol. a double chromosome resulting from the division of a tetrad in meiosis; half of a tetrad
Chem. an atom, element, or radical with a valence of two
Sociology two persons in a continuing relationship involving interaction

Origin of dyad

Late Latin dyas (gen. dyadis) from Classical Greek from dyo, two

consisting of two

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dyad

noun

Two individuals or units regarded as a pair: the mother-daughter dyad.
Biology One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.
Mathematics
a. A function that draws a correspondence from any vector u to the vector ( v·u ) w and is denoted vw , where v and w are a fixed pair of vectors and v·u is the scalar product of v and u . For example, if v = (2,3,1), w = (0,−1,4), and u = ( a,b,c ), then the dyad vw draws a correspondence from u to (2 a + 3 b + c ) w .
b. A tensor formed from a vector in a vector space and a linear functional on that vector space.

adjective

Made up of two units.

Origin of dyad

From Greek duas duad- from duo two ; see dwo- in Indo-European roots.

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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MLA Style

"dyad." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/Dyad>.

APA Style

dyad. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/Dyad

Noun

(plural dyads)

A set of two elements treated as one; a pair.
(music) any set of two different pitch classes.
A pair of things standing in particular relation; dyadic relation.
(chemistry) An element, atom, or radical having a valence or combining power of two.

Origin

From Ancient Greek δύας (dýas), δύαδ- (dýad-) from Ancient Greek δύο (dýo) from Ancient Greek δύο (duo), from Proto-Indo-European *duwó,*duwéh₃ (*dwóh₁). “dyad” in The American Heritage® Dictionary of the English Language, Fourth Edition, Houghton Mifflin Company, 2000.

English Wiktionary. Available under CC-BY-SA license.

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MLA Style

"dyad." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/Dyad>.

APA Style

dyad. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/Dyad

dyad - Medical Definition

Two individuals or units regarded as a pair: the mother-daughter dyad.
Biology One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.

adj.

Made up of two units.

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MLA Style

"dyad." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/Dyad>.

APA Style

dyad. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/Dyad

dyad

dyad

dyad - Medical Definition

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dyad

dyad

dyad - Medical Definition

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