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Thesaurus: dyad

Two units treated as one; a couple; a pair.

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  1. n. Two units treated as one; a couple; a pair.
  2. n. An element, atom, or radical having a valence or combining power of two.
  3. a. 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.
  4. n. two items of the same kind
  5. 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. 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.
  6. An element, atom, or radical having a valence or combiningpower of two.
  7. n:100 n two items of the same kind