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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

triphenylmethane

(traɪˌfiːnaɪlˈmiːθeɪn; -ˌfɛn-)
n
(Elements & Compounds) a colourless crystalline solid used for the preparation of many dyes. Formula: (C6H5)3CH
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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]
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