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diphenylamine

[ dahy-fen-l-uh-meen, -am-in, -feen- ]
/ daɪˌfɛn l əˈmin, -ˈæm ɪn, -ˌfin- /
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noun Chemistry.
a colorless, crystalline, slightly water-soluble benzene derivative, C12H11N, used chiefly in the preparation of various dyes, as a stabilizer for nitrocellulose propellants, and for the detection of oxidizing agents in analytical chemistry.
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Origin of diphenylamine

First recorded in 1860–65; diphenyl + amine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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British Dictionary definitions for diphenylamine

diphenylamine
/ (daɪˌfiːnaɪləˈmiːn, -ˈæmɪn, -nɪl-, -ˌfɛn-) /

noun
a colourless insoluble crystalline derivative of benzene, used in the manufacture of dyes, as a stabilizer in plastics, etc. Formula: (C 6 H 5) 2 NH
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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