单词 | dyad |
释义 | dyad[ dahy-ad ] / ˈdaɪ æd / SEE SYNONYMS FOR dyad ON THESAURUS.COM nouna group of two; couple; pair. Biology.
Chemistry. an element, atom, or group having a valence of two.Compare monad, triad (def. 2a). Mathematics. two vectors with no symbol connecting them, usually considered as an operator. Sociology.
adjectiveof two parts; dyadic. Sometimes di·ad . Origin of dyadFirst recorded in 1665–75; from Greek dyad- (stem of dyás ) “pair,” equivalent to dý(o) “two” + -ad- noun suffix; see origin at two, -ad1 Words nearby dyaddwt, dwy, Dx, DX code, Dy, dyad, dyadic, dyadic system, Dyak, dyarchy, Dyaus Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for dyadBritish Dictionary definitions for dyaddyad / (ˈdaɪæd) / nounmaths an operator that is the unspecified product of two vectors. It can operate on a vector to produce either a scalar or vector product an atom or group that has a valency of two a group of two; couple Word Origin for dyadC17: from Late Latin dyas, from Greek duas two, a pair Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for dyaddyad [ dī′ăd′, -əd ] n.Two individuals or units regarded as a pair, such as a mother and a daughter. A divalent atom or radical. One pair of homologous chromosomes resulting from the division of a tetrad during meiosis. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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