/ Thesaurus / B Synonyms of benzoyl peroxide Find synonyms for: Noun1. benzoyl peroxide, peroxide, bleaching agent, bleach, blanching agent, whitenerusage: a white crystalline peroxide used in bleaching (flour or oils or fats) and as a catalyst for free radical reactionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language