/ Thesaurus / C Synonyms of calcium sulphate Find synonyms for: Noun1. calcium sulphate, calcium sulfate, saltusage: a white salt (CaSO4)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language