/ Thesaurus / H Synonyms of hydroiodic acid Find synonyms for: Noun1. hydroiodic acid, acidusage: an acid formed by aqueous solution of hydrogen iodideWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language