/ Thesaurus / A Synonyms of ammonium hydroxide Find synonyms for: Noun1. ammonia water, ammonia, ammonium hydroxide, liquidusage: a water solution of ammoniaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language