benzopyrene

[ben-zoh-pahy-reen, -pahy-reen]

ben·zo·py·rene

[ben-zoh-pahy-reen, -pahy-reen]
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.


Origin:
1925–30; benzo- or benz- + pyrene
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Benzopyrene is always a great word to know.
So is conformation. Does it mean:
an atomic spatial arrangement that results from rotation of carbon atoms about single bonds within an organic molecule
the solid product resulting from the distillation of coal in an oven or closed chamber or by imperfect combustion, consisting principally of carbon
American Heritage
Medical Dictionary

benzopyrene ben·zo·py·rene (běn'zō-pī'rēn', -pī-rēn')
n.
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.
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