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more about dyad
dyad |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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 From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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}. From WordNet r 1.6 [wn]: dyad n : two items of the same kind [syn: {couple}, {doubleton}, {pair}, {twosome}, {twain}, {brace}, {span}, {yoke}, {couplet}, {distich}, {duo}, {duet}, {duad}]
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