Dictionary.com

indole

[ in-dohl ]
/ ˈɪn doʊl /
Save This Word!

noun Chemistry.
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.
QUIZ
FIRE UP YOUR VOCAB FOR A "RED" SYNONYMS QUIZ
No fire engine reds here, only a fierce collection of vibrant words for the color red to test yourself on.
Question 1 of 7
What does "amaranth" mean?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of indole

First recorded in 1865–70; ind- + -ole2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use indole in a sentence

British Dictionary definitions for indole

indole

indol (ˈɪndəʊl, -dɒl)

/ (ˈɪndəʊl) /

noun
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 for indole

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

Medical definitions for indole

indole
[ ĭndōl′ ]

n.
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
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.

Scientific definitions for indole

indole
[ ĭndōl′ ]

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.
Any of various derivatives of this compound.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK