rubrene

noun

ru·​brene

ˈrüˌbrēn

plural -s

: an orange-red fluorescent crystalline polycyclic hydrocarbon C₄₂H₂₈ that is decolorized by oxygen with the reversible formation of a peroxide; tetraphenyl-naphthacene

Word History

Etymology

International Scientific Vocabulary rubr- (from Latin rubr-, ruber red) + -ene

First Known Use

1926, 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