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polycyclic aromatic hydrocarbon

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.01 sec.
polycyclic aromatic hydrocarbon [‚päl·ē‚sī·klik ‚ar·ə‚mad·ik ′hī·drə‚kär·bən]
(organic chemistry)
A compound containing two or more fused benzene rings such as naphthalene or anthracene.


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Organic compounds from diesel exhaust with known toxic and carcinogenic properties, such as polycyclic aromatic hydrocarbons ( PAH), adhere easily to the surface of the carbon particles and are carried deep into the lungs.
The research on polycyclic aromatic hydrocarbons (PAH) in smokeless tobacco adds to existing evidence that smokeless contains two-dozen other carcinogens that cause oral and pancreatic cancers.
In the 1980s, a steel plant in Ohio releasing polycyclic aromatic hydrocarbons (PAHs) led to high cancer rates among catfish in the Black River.
 
 
 
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