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[roh-zan-l-in, -ahyn] /roʊˈzæn l ɪn, -ˌaɪn/
noun, Chemistry.
a red dye, C 2 0 H 2 0 N 3 Cl, derived from aniline and orthotoluidine, a constituent of fuchsin.
the base, C 2 0 H 2 1 N 3 O, which, with hydrochloric acid, forms this dye.
Origin of rosaniline
First recorded in 1860-65; rose1 + aniline Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for rosaniline


/rəʊˈzænɪˌliːn; -lɪn/
a reddish-brown crystalline insoluble derivative of aniline used, in the form of its soluble hydrochloride, as a red dye See also fuchsin
Word Origin
C19: from rose1 + aniline
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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rosaniline in Medicine

rosaniline ros·an·i·line or ros·an·i·lin (rō-zān'ə-lĭn)
A brownish-red crystalline organic compound derived from aniline and used in the manufacture of dyes and in Schiff's reagent.

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