dyad

from WordNet (r) 3.0 (2006)
dyad
    n 1: two items of the same kind [syn: {couple}, {pair},
         {twosome}, {twain}, {brace}, {span}, {yoke}, {couplet},
         {distich}, {duo}, {duet}, {dyad}, {duad}]
from The Collaborative International Dictionary of English v.0.48
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.
      [1913 Webster]

   2. (Chem.) An element, atom, or radical having a valence or
      combining power of two.
      [1913 Webster]
from The Collaborative International Dictionary of English v.0.48
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}.
   [1913 Webster]
from Moby Thesaurus II by Grady Ward, 1.0
21 Moby Thesaurus words for "dyad":
      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
antiflux / dictionary / dyad
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