indoline

noun

in·​do·​line

ˈindəˌlēn,

-lə̇n

plural -s

: a liquid base C₈H₉N that is a stronger base than indole and is obtained from indole by reduction; 2,3-dihydro-indole

Word History

Etymology

International Scientific Vocabulary indol- + -ine; probably originally formed as German indolin

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now