indole

/ˈɪndəʊl/

IPA: /IH0 N D OW1 L/

noun
  1. 1

    An organic compound, C8H7N, found in coal tar, and produced in the gut by the bacterial decomposition of tryptophan; it is an aromatic bicyclic heterocycle having a benzene ring fused with a pyrrole ring; indole and its derivatives occur widely in nature and have many industrial applications.

    syn:ketole
  2. 2

    Any of the derivatives of indole1.

Synonyms

adjective
  1. 1

    Guileless

Source: https://en.wiktionary.org/wiki/indole