/ Thesaurus / H Synonyms of hydrogen bromide Find synonyms for: Noun1. hydrogen bromide, bromideusage: a colorless gas that yields hydrobromic acid in solution with waterWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language