/ Dictionary / Index T triphenylmethane: Meaning and Definition of Find definitions for: tri•phen•yl•meth•ane Pronunciation: (trī-fen"l-meth'ān, -fēn"-), [key] — n. Chem. a colorless, crystalline, solid compound containing three benzene rings, CH, from which many dyes are derived. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. triphasic triphenylmethane dye Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language