/ Dictionary / Index O oxidation: Meaning and Definition of Find definitions for: ox•i•da•tion Pronunciation: (ok-si-dā'shun), [key] — n. Chem. the process or result of oxidizing. the deposit that forms on the surface of a metal as it oxidizes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oxidation (Thesaurus) oxidate oxidation potential Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language