Adjacent Words

dyad definitions

	Tweet

WordNet (r) 3.0 (2005)

n
1: two items of the same kind [syn: couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duo, duet, dyad, duad]

Merriam Webster's

noun Etymology: Late Latin dyad-, dyas, from Greek, from dyo Date: 1675 1. pair; specifically two individuals (as husband and wife) maintaining a sociologically significant relationship 2. a meiotic chromosome after separation of the two homologous members of a tetrad 3. a mathematical operator indicated by writing the symbols of two vectors without a dot or cross between (as AB) • dyadic adjective • dyadically adverb

Oxford Reference Dictionary

n. Math. an operator which is a combination of two vectors. Derivatives: dyadic adj. Etymology: LL dyas dyad- f. Gk duas duados f. duo two

Webster's 1913 Dictionary

Dyad Dy"ad, n. [L. dyas, dyadis, the number two. Gr. ?: cf. F. dyade. See two, and cf. Duad.] 1. Two units treated as one; a couple; a pair. 2. (Chem.) An element, atom, or radical having a valence or combining power of two.

Webster's 1913 Dictionary

Dyad Dy"ad, a. (Chem.) Having a valence or combining power of two; capable of being substituted for, combined with, or replaced by, two atoms of hydrogen; as, oxygen and calcium are dyad elements. See Valence.

Soule's Dictionary of English Synonyms

n. Pair, couple, group of two.

Moby Thesaurus

both, brace, couple, couplet, distich, double harness, doublet, duad, duet, duo, match, mates, pair, set of two, span, team, the two, twain, two, twosome, yoke