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Meaning of DYAD

Pronunciation:  'dIad

 
WordNet Dictionary
 
 Definition: 
[n]  two items of the same kind
 

DYAD is a 4 letter word that starts with D.

 

 Synonyms: brace, couple, couplet, distich, doubleton, duad, duet, duo, pair, span, twain, twosome, yoke
 
 See Also: 2, deuce, II, two

 

 

Webster's 1913 Dictionary
 
 Definition: 
  1. \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.
    
    
  2. \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}.
    
    
 
Biology Dictionary
 
 Definition: A pair. Two units. Half of a tetrad (four units). What happens to bivalent chromosomes after the first nuclear division of meiosis.
 
Thesaurus Terms
 
 Related Terms: 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
 

 

 

 

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