coronene

noun

cor·​o·​nene

ˈkȯr-ə-ˌnēn

plural -s

: a pale yellow very high-melting fluorescent hydrocarbon C₁₈H₁₂ having a molecular structure like a crown with six benzene rings fused together

Word History

Etymology

Latin corona crown + English -ene

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