/ Thesaurus / P Synonyms of potassium hydrogen tartrate Find synonyms for: Noun1. cream of tartar, tartar, potassium bitartrate, potassium hydrogen tartrate, saltusage: a salt used especially in baking powderWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language