The stone of certain fruits, such as the cherry.
A carcinogenic, colorless, solid polycyclic aromatic hydrocarbon, C16 H10 , exhibiting blue fluorescence in solution, used in the manufacture of dyes, pesticides, and pharmaceuticals, and as an analytical reagent.
The stone of an apple, pear, or other drupe that contains several seeds.
A colorless hydrocarbon, C16H10, obtained from coal tar: its structure consists of the fusion of four benzene rings.
Origin of pyrene
From Ancient Greek Ï€Ï…ÏÎ®Î½ (purÄ“n, “fruit stone").