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benzidine

 - 6 dictionary results

ben⋅zi⋅dine

  [ben-zi-deen, -din]
Use benzidine in a Sentence
–noun Chemistry.
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.
Origin:
1875–80; benz- + -id 3 + -ine 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ben·zi·dine   (běn'zĭ-dēn')   
n.  A yellowish, white, or reddish-gray crystalline powder, NH2C6H4C6H4NH2, used in dyes and to detect blood stains.

[benz(ene) + -id(e) + -ine2.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ben·zi·dine
Pronunciation: 'ben-z&-"dEn
Function: noun
: a crystalline base C12H12N2 usedespecially in making dyes and in a test for blood
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

benzidine ben·zi·dine (běn'zĭ-dēn')
n.
A yellowish, white, or reddish-gray crystalline powder used in dyes and to detect blood.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
benzidine   (běn'zĭ-dēn')  Pronunciation Key 
A yellowish, white, or reddish-gray crystalline powder that is produced synthetically and is carcinogenic. It is used in making dyes, as a reagent, and in detecting blood stains. Chemical formula: C12H12N2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia

benzidine

an organic chemical belonging to the class of amines and used in making numerous dyestuffs. The azo dyes derived from benzidine are important because, unlike simpler classes of azo dyes, they become strongly fixed to cotton without a mordant.

Learn more about benzidine with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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