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

car•ba•zole

(ˈkɑr bəˌzoʊl)

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