benzopyrene

[ ben-zoh-pahy-reen, -pahy-reen ]
/ ˌbɛn zoʊˈpaɪ rin, -paɪˈrin /

noun Chemistry.

a yellow, crystalline aromatic carcinogenic hydrocarbon, C20H12, consisting of five fused benzene rings, produced by incomplete combustion of organic material, as coal, petroleum, or tobacco.
Also benz·py·rene [benz-pahy-reen, benz-pahy-reen] /bɛnzˈpaɪ rin, ˌbɛnz paɪˈrin/.

Origin of benzopyrene

1925–30; benzo- or benz- + pyrene2

Medical definitions for benzopyrene

benzopyrene
[ bĕn′zō-pīrēn′, -pī-rēn ]

n.

A yellow, crystalline, aromatic hydrocarbon that is a carcinogen found in coal tar and cigarette smoke.