/ Thesaurus / H Synonyms of hydrochloric acid Find synonyms for: Noun1. hydrochloric acid, chlorohydric acid, acidusage: an aqueous solution of hydrogen chloride; a strongly corrosive acidWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language