Definition of perylene
: a yellow crystalline aromatic hydrocarbon C20H12 that is constituted of two naphthalene residues joined to each other through the peri-positions, that is found in small amounts in coal tar, and that can be made from naphthalene by the action of aluminum chloride
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 perylene
Seen and Heard
What made you want to look up perylene? Please tell us where you read or heard it (including the quote, if possible).