Webster's Revised Unabridged Dictionary -- Volume DEDwin"dle, v. t. 1. To make less; to bring low. Our drooping days are dwindled down to naught. 2. To break; to disperse. [R.] Clarendon. Dwin"dle, n. The process of dwindling; dwindlement; decline; degeneracy. [R.] Johnson. Dwin"dle·ment (?), n. The act or process of dwindling; a dwindling. [R.] Mrs. Oliphant. Dwine (?), v. i. [See Dwindle.] To waste away; to pine; to languish. [Obs. or Prov. Eng.] Gower. 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. 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. Dy·ad"ic (?), a. [Gr. ?, fr. ? two.] Pertaining to the number two; of two parts or elements. -- Dyadic arithmetic, the same as binary arithmetic. Dy"aks (?), n. pl.; sing. Dyak. (Ethnol.) The aboriginal and most numerous inhabitants of Borneo. They are partially civilized, but retain many barbarous practices. Dy"as (?), n. [L. dyas the number two.] (Geol.) A name applied in Germany to the Permian formation, there consisting of two principal groups. |