triphenylmethane

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tri·phen·yl·meth·ane

 (trī-fĕn′əl-mĕth′ān′, -fē′nəl-)
n.
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.

triphenylmethane

(traɪˌfiːnaɪlˈmiːθeɪn; -ˌfɛn-)
n
(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-)

n.
a colorless, crystalline, solid compound containing three benzene rings, C19H16, from which many dyes are derived.
[1880–85]