/ Dictionary / Index O oxidizing agent: Meaning and Definition of Find definitions for: ox'idizing a"gent Pronunciation: [key] — Chem. Chem. oxidant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oxidizer oxidoreductase 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