/ Dictionary / Index C cellulose nitrate: Meaning and Definition of Find definitions for: cel'lulose ni'trate Pronunciation: [key] any of a group of nitric esters of cellulose, used in the manufacture of lacquers and explosives. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cellulose gum cellulose triacetate Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language