actinine

noun

ac·​ti·​nine

ˈak-tə-ˌnēn,

-nən

plural -s

: a base C₇H₁₅NO₂ found in a sea anemone (Actinia equina)

Word History

Etymology

New Latin Actinia (genus name of Actinia equina) + English -ine

First Known Use

1870, in the meaning defined above

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