Index of English words, starting with "dy"

(1) - Dyad (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.
(2) - Dyad (n.) An element, atom, or radical having a valence or combining power of two.
(3) - Dyad (n.) Two units treated as one; a couple; a pair.

(1) - Dyadic (a.) Pertaining to the number two; of two parts or elements.