Dictionary.com
definitions
  • synonyms

indole

[in-dohl]
See more synonyms on Thesaurus.com
noun Chemistry.
  1. a colorless to yellowish solid, C8H7N, having a low melting point and a fecal odor, found in the oil of jasmine and clove and as a putrefaction product from animals' intestines: used in perfumery and as a reagent.

Origin of indole

First recorded in 1865–70; ind- + -ole2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for indole

Historical Examples

  • Quaecunque in Germanorum indole admiranda atque imitanda fere censemus, ea in Doellingero maxime splendent.

    The History of Freedom

    John Emerich Edward Dalberg-Acton

  • Beyond the fact that when they are hydrolyzed they yield quinoline and indole, their composition is unknown.

    The Chemistry of Plant Life

    Roscoe Wilfred Thatcher


British Dictionary definitions for indole

indole

indol (ˈɪndəʊl, -dɒl)

noun
  1. a white or yellowish crystalline heterocyclic compound extracted from coal tar and used in perfumery, medicine, and as a flavouring agent; 1-benzopyrrole. Formula: C 8 H 7 N

Word Origin

C19: from ind (igo) + -ole 1
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

indole in Medicine

indole

(ĭndōl′)
n.
  1. A white crystalline compound obtained from coal tar or various plants and found in the intestines and feces as a product of the bacterial decomposition of tryptophan.ketole
  2. Any of various derivatives of this compound.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

indole in Science

indole

[ĭndōl′]
  1. A white crystalline compound obtained from coal tar or various plants and produced by the bacterial decomposition of tryptophan in the intestine. It is used in the perfume industry and as a reagent. Chemical formula: C8H7N.
  2. Any of various derivatives of this compound.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.