Hypertext Webster Gateway: "anhydride"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Anhydride \An*hy"dride\, n. [See {Anhydrous}.] (Chem.)
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.
From WordNet (r) 1.7 (wn)
anhydride
n : a compound formed from one or more other compounds in a
reaction resulting in removal of water
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