triphenylmethane(redirected from Triarylmethane dye)
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A colorless crystalline aromatic hydrocarbon, C19H16, in which phenyl groups replace three of the hydrogen atoms in methane and from which a large number of synthetic dyes are derived by substitution.
(Elements & Compounds) a colourless crystalline solid used for the preparation of many dyes. Formula: (C6H5)3CH
tri•phen•yl•meth•ane(traɪˌfɛn lˈmɛθ eɪn, -ˌfin-)
a colorless, crystalline, solid compound containing three benzene rings, C19H16, from which many dyes are derived.