Definition of naphthacene
: an orange crystalline tetracyclic hydrocarbon C18H12 isomeric with chrysene and benzanthracene and present in small amounts in coal tar
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of naphthacene
International Scientific Vocabulary naphth- + -acene
Seen and Heard
What made you want to look up naphthacene? Please tell us where you read or heard it (including the quote, if possible).