/ Dictionary / Index S sodium nitrate: Meaning and Definition of Find definitions for: so'dium ni'trate Pronunciation: [key] — Chem. Chem. a crystalline, water-soluble compound, NaNO, that occurs naturally as soda niter: used in fertilizers, explosives, and glass, and as a color fixative in processed meats. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sodium monoxide sodium nitrite Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language