the stone of an apple, pear, or other drupe that contains several seeds
Origin of pyreneModern Latin pyrena from Classical Greek pyr?n, stone of a fruit, akin to pyros, grain of wheat from Indo-European base an unverified form p?ro-, cereal from source furze
a colorless hydrocarbon, CH, obtained from coal tar: its structure consists of the fusion of four benzene rings
Origin of pyrenepyr- + -ene
The stone of certain fruits, such as the cherry.
Origin of pyreneNew Latin pérēna from Greek purēn
A carcinogenic, colorless, solid polycyclic aromatic hydrocarbon, C16H10, exhibiting blue fluorescence in solution, used in the manufacture of dyes, pesticides, and pharmaceuticals, and as an analytical reagent.
Origin of pyrenepyr(o)- -ene
From pyr- +"Ž -ene.
From Ancient Greek Ï€Ï…ÏÎ®Î½ (purÄ“n, “fruit stone").