/ Thesaurus / O Synonyms of oxygen acid Find synonyms for: Noun1. oxyacid, oxygen acid, acidusage: any acid that contains oxygenWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language