/ Dictionary / Index C calcium nitrate: Meaning and Definition of Find definitions for: cal'cium ni'trate Pronunciation: [key] a white, deliquescent solid, Ca(NO), used chiefly in the manufacture of fertilizers, fireworks, matches, and explosives. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. calcium metasilicate calcium oxalate Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language