in·​dole | \ ˈin-ˌdōl How to pronounce indole (audio) \

Definition of indole

: a crystalline alkaloid compound C8H7N that is a decomposition product of proteins containing tryptophan, that can be made synthetically, and that is used in perfumes also : a derivative of indole

Examples of indole in a Sentence

Recent Examples on the Web Like jasmine and gardenia, the flower’s aroma has an under-funk of indole, a molecule that’s also present in (sorry) feces. April Long, Town & Country, "Is Tuberose the Sexiest Fragrance Note?," 13 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'indole.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of indole

1869, in the meaning defined above

History and Etymology for indole

International Scientific Vocabulary ind- + -ole

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Cite this Entry

“Indole.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2021.

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in·​dole | \ ˈin-ˌdōl How to pronounce indole (audio) \

Medical Definition of indole

: a crystalline compound C8H7N that is found along with skatole in the intestines and feces as a decomposition product of proteins containing tryptophan and that can be made synthetically also : a derivative of indole

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