diphenylamine

American

[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.

diphenylamine British

/ -nɪl-, -ˈæmɪn, -ˌfɛn-, daɪˌfiːnaɪləˈmiːn /

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

Etymology

Origin of diphenylamine

First recorded in 1860–65; diphenyl + amine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

More than 1 in 10 pear samples tested positive for diphenylamine, which is currently banned in the European Union over cancer concerns.

From Salon • Mar. 20, 2024

Their reactions with diphenylamine allow a certain identification of artificial silks of this class.

From Researches on Cellulose 1895-1900 by Cross, C. F.

About 1 per cent. of diphenylamine is added for the purpose of increasing its stability.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

Rottweil Smokeless Powder: a gelatined powder containing camphor and diphenylamine.

From The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar by Various

Diphenylamine blue introduced; leading to manufacture of diphenylamine.

From Coal and What We Get from It by Meldola, Raphael

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023