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tolidine

[tol-i-deen, -din] /ˈtɒl ɪˌdin, -dɪn/
noun, Chemistry.
1.
any of several isomeric derivatives of biphenyl containing two methyl and two amino groups, especially the ortho isomer that is used as a reagent and in the preparation of dyes.
Origin of tolidine
1895-1900
First recorded in 1895-1900; tol(uene) + -id3 + -ine2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for tolidine
Historical Examples
  • Thus diazotised benzidine and tolidine combine with salicylic acid to form valuable yellow azo-dyes known as “chrysamines.”

    Coal Raphael Meldola
  • It is impossible to attempt to specify by name any of these recent benzidine and tolidine dyes.

    Coal Raphael Meldola
British Dictionary definitions for tolidine

tolidine

/ˈtɒlɪˌdiːn/
noun
1.
any of several isomeric compounds, esp the ortho- isomer, which is a white or reddish crystalline substance used in the manufacture of dyes and resins. Formula: (C6H3NH2CH3)2
Word Origin
C19: from tol(uene) + -id³ + -ine²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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