a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it
A polycyclic aromatic hydrocarbon containing four fused benzene rings; first isolated from coal tar
the stone of a drupe
The word comes from the Greek prefix pyr- meaning "fire," combined with the suffix -ene. It originally referred to a substance that burns or glows like fire.