Dictionary  ben•zi•dinePronunciation: (ben'zi-dēn", -din), [key] —n. Chem. a grayish, crystalline, slightly water-soluble, basic compound, C12H12N2, usually derived from nitrobenzene: used chiefly in the synthesis of certain azo dyes, esp. Congo red. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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