xylidine

[ zahy-li-deen, -din, zil-i- ]
/ ˈzaɪ lɪˌdin, -dɪn, ˈzɪl ɪ- /

noun

any of six isomeric compounds that have the formula C8H11N, are derivatives of xylene, and resemble aniline: used in dye manufacture.
an oily liquid consisting of a mixture of certain of these compounds, used commercially in making dyes.

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Origin of xylidine

First recorded in 1840–50; xyl(ene) + -id3 + -ine2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for xylidine

xylidine
/ (ˈzaɪlɪˌdiːn, -ˌdaɪn, ˈzɪlɪ-) /

noun

a mixture of six isomeric amines derived from xylene and used in dyes. Formula: (CH 3) 2 C 6 H 3 NH 2
any one of these isomers
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