/ Dictionary / Index T triptane: Meaning and Definition of Find definitions for: trip•tane Pronunciation: (trip'tān), [key] — n. Chem. a colorless liquid, CH, having high antiknock properties as a fuel: used chiefly as an admixture to airplane gasolines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tripping line tripteral Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language