/ Thesaurus / A Synonyms of acetic acid Find synonyms for: Noun1. acetic acid, ethanoic acid, carboxylic acidusage: a colorless pungent liquid widely used in manufacturing plastics and pharmaceuticalsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language