Anhydride
Pronunciation : An*hy"dride
Part of Speech : n.
Etymology : [See Anhydrous.] (Chem.)
Definition : Defn: An oxide of a nonmetallic body or an organic radical, capable of forming an acid by uniting with the elements of water; -- so called because it may be formed from an acid by the abstraction of water.
Source : Webster's Unabridged Dictionary, 1913