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Definition of Benzidine
1. a hydrocarbon [n -S] - See also: hydrocarbon
Medical Definition of Benzidine
1. NH2C6H4C6 H4NH2; p-Diaminodiphenyl;a colourless, crystalline compound used to detect sulfates in water analysis, for the identification of blood, and as a reagent in special stains; because it has been identified as a carcinogen, its current use is limited. (05 Mar 2000)