benzidine

ben·zi·dine

 (bĕn′zĭ-dēn′)

n.

A carcinogenic yellowish, white, or reddish-gray crystalline powder, C₁₂H₁₂ N₂, that is a derivative of biphenyl, is used in dyes, and is used to detect blood stains and cyanide.

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[benz(ene) + -id(e) + -ine.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

benzidine

(ˈbɛnzɪˌdiːn; -dɪn)

n

(Elements & Compounds) a grey or reddish poisonous crystalline powder that is used mainly in the manufacture of dyes, esp Congo red. Formula: NH2(C6H4)2NH2

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ben•zi•dine

(ˈbɛn zɪˌdin, -dɪn)

n.

a crystalline base, C₁₂H₁₂N₂, used in the synthesis of azo dyes, esp. Congo red.

[1875–80; benz- + -idine]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.