/ Dictionary / Index E ethyl nitrate: Meaning and Definition of Find definitions for: eth'yl ni'trate Pronunciation: [key] — Chem. Chem. a colorless, sweet, water-insoluble, extremely explosive liquid, CHNO, used chiefly in organic synthesis. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ethyl mercaptan ethyl nitrite Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language