DWINDLEMENT
Dwin"dle*ment, n.
Defn: The act or process of dwindling; a dwindling. [R.] Mrs.
Oliphant.
DWINE
Dwine, v. i. Etym: [See Dwindle.]
Defn: To waste away; to pine; to languish. [Obs. or Prov. Eng.]
Gower.
DYAD Dy"ad, n. Etym: [L. dyas, dyadis, the number two. Gr. dyade. See two, and cf. Duad.]
1. Two units treated as one; a couple; a pair.
2. (Chem.)
Defn: An element, atom, or radical having a valence or combining power of two.
DYAD
Dy"ad, a. (Chem.)
Defn: 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.