pyrene | ||
1. | [ noun ] (chemistry) a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar | |
Related terms: | hydrocarbon | |
2. | [ noun ] (botany) the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it | |
Related terms: | nutlet | |
Similar spelling: |
Pyron |