noun
- a crystalline compound found in coal tar and produced naturally in the intestines, used in making perfumes and as a chemical intermediate
Usage: chemistry
Examples
- Indole is commonly used in the fragrance industry.
- The compound indole can be synthesized from coal tar.
- Bacteria in the intestines naturally produce indole.
- Indole serves as a precursor for many pharmaceutical compounds.
- The distinctive smell of indole is detectable at very low concentrations.
- Researchers studied indole derivatives for their biological activity.