/ Dictionary / Index O oxidate: Meaning and Definition of Find definitions for: ox•i•date Pronunciation: (ok'si-dāt"), [key] — v., n. -dat•ed, -dat•ing, —v.t., v.i. to oxidize. —n. any of the class of sediments consisting chiefly of oxides of iron or manganese. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oxidate (Thesaurus) oxidase oxidation Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language