/ Thesaurus / A Synonyms of acyl anhydrides Find synonyms for: Noun1. acyl anhydrides, acid anhydrides, organic compoundusage: organic compounds that react with water to form an acidWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language