/ Dictionary / Index A anhydride: Meaning and Definition of Find definitions for: an•hy•dride Pronunciation: (an-hī'drīd, -drid), [key] — n. Chem. a compound formed by removing water from a more complex compound: an oxide of a nonmetalor a metalthat forms an acid or a base, respectively, when united with water. a compound from which water has been abstracted. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: anhydride (Thesaurus) anhydremia anhydrite Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language