carbazole

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carbazole

(ˈkɑːbəˌzəʊl)
n
(Dyeing) a colourless insoluble solid obtained from coal tar and used in the production of some dyes. Formula: C12H9N. Also called: diphenylenimine
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

car•ba•zole

(ˈkɑr bəˌzoʊl)

n.
a white, crystalline compound, C12H9N, used chiefly in making dyes.
[1885–90]
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