/ Thesaurus / C Synonyms of calcium nitrate Find synonyms for: Noun1. calcium nitrate, nitrateusage: a deliquescent salt that is soluble in water; sometimes used as a source of nitrogen in fertilizersWordNet 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