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[dahy-fen-l-uh-meen, -am-in, -feen-] /daɪˌfɛn l əˈmin, -ˈæm ɪn, -ˌfin-/
noun, Chemistry.
a colorless, crystalline, slightly water-soluble benzene derivative, C 12 H 11 N, used chiefly in the preparation of various dyes, as a stabilizer for nitrocellulose propellants, and for the detection of oxidizing agents in analytical chemistry.
Origin of diphenylamine
First recorded in 1860-65; diphenyl + amine Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for diphenylamine
Historical Examples
  • Rottweil Smokeless Powder: a gelatined powder containing camphor and diphenylamine.

  • It was shown that they are derivatives of diphenylamine containing sulphur as an essential constituent.

    Coal Raphael Meldola
  • The parent-compound is diphenylamine in which sulphur replaces hydrogen, and is therefore known as thiodiphenylamine.

    Coal Raphael Meldola
  • Their reactions with diphenylamine allow a certain identification of artificial silks of this class.

British Dictionary definitions for diphenylamine


/daɪˌfiːnaɪləˈmiːn; -ˈæmɪn; -nɪl-; -ˌfɛn-/
a colourless insoluble crystalline derivative of benzene, used in the manufacture of dyes, as a stabilizer in plastics, etc. Formula: (C6H5)2NH
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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diphenylamine in Medicine

diphenylamine di·phen·yl·a·mine (dī-fěn'əl-ə-mēn', -ām'ĭn, -fē'nəl-)
A colorless crystalline compound used as a stabilizer for plastics and in the manufacture of dyes, explosives, pesticides, and pharmaceuticals.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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