Dictionary
an•hy•dride
Pronunciation: (an-hī'drīd, -drid), [key]—
n. Chem.
1. a compound formed by removing water from a more complex compound: an oxide of a nonmetal
(acid anhydride) or a metal
(basic anhydride) that forms an acid or a base, respectively, when united with water.
2. a compound from which water has been abstracted.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.