/ Thesaurus / I Synonyms of isocyanic acid Find synonyms for: Noun1. isocyanic acid, acidusage: an acid known only in the form of its estersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language