[ ben-zoh-pahy-reen, -pahy-reen ]
/ ˌbɛn zoʊˈpaɪ rin, -paɪˈrin /
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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
[ bĕn′zō-pī′rēn′, -pī-rēn′ ]
A yellow, crystalline, aromatic hydrocarbon that is a carcinogen found in coal tar and cigarette smoke.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.