/ Dictionary / Index N nitromethane: Meaning and Definition of Find definitions for: ni•tro•meth•ane Pronunciation: (nī"tru-meth'ān), [key] — n. Chem. a colorless, oily, slightly water-soluble, poisonous liquid, CHNO, used chiefly as a solvent, rocket fuel, and gasoline additive and in organic synthesis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nitrometer nitroparaffin Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language