indole
/ˈɪndoʊl/
noun
- A chemical compound with a ring structure, found in many natural substances like plants and animal proteins, and used in making medicines and perfumes.
- Scientists study indole because it appears in many important biological molecules.
- Indole is a key ingredient in the production of some antidepressants.
- The smell of mothballs comes from a chemical related to indole.