• synonyms


[an-l-in, -ahyn]
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  1. Also called aniline oil, aminobenzine, phenylamine. Chemistry. a colorless, oily, slightly water-soluble liquid, C6H5NH2, usually derived from nitrobenzene by reduction: used chiefly in the synthesis of dyes and drugs.
  1. pertaining to or derived from aniline: aniline colors.
Also an·i·lin [an-l-in] /ˈæn l ɪn/.

Origin of aniline

First recorded in 1840–50; anil + -ine2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for anilin

Historical Examples

  • The vessels are placed in a special pandal, and worshipped with flowers, anilin and turmeric powders.

    Castes and Tribes of Southern India

    Edgar Thurston

  • The anilin fuchsin must be added slowly with constant stirring and the mixture boiled and filtered.

    The Fundamentals of Bacteriology

    Charles Bradfield Morrey

  • Practically all bacteriological stains are solutions of the anilin dyes.

    The Fundamentals of Bacteriology

    Charles Bradfield Morrey

  • Such forms as gram, cocain, chlorid, anemia and anilin are the products of its influence.

    The American Language

    Henry L. Mencken

British Dictionary definitions for anilin


  1. a colourless oily pungent poisonous liquid used in the manufacture of dyes, plastics, pharmaceuticals, and explosives. Formula: C 6 H 5 NH 2Also called: phenylamine
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

Word Origin and History for anilin



chemical base used in making colorful dyes, 1843, coined 1841 by German chemist Carl Julius Fritzsche (1808-1871) and adopted by Hofmann, ultimately from Portuguese anil "the indigo shrub," from Arabic an-nil "the indigo," assimilated from al-nil, from Persian nila, ultimately from Sanskrit nili "indigo," from nilah "dark blue." With chemical suffix -ine (2).

Online Etymology Dictionary, © 2010 Douglas Harper

anilin in Medicine


  1. An oily, poisonous benzene derivative used in the manufacture of dyes and pharmaceuticals.
  1. Derived from aniline.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

anilin in Science


  1. A colorless, oily, poisonous compound used in the manufacture of rubber, dyes, resins, pharmaceuticals, and varnishes. Aniline is an amine of benzene. Chemical formula: C6H7N.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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