polyaromatic hydrocarbon

views updated

polyaromatic hydrocarbon (PAH) One of a range of persistent, toxic compounds that are produced mainly by the incomplete combustion of hydrocarbon fuels. Many are carcinogens, mutagens, or both. Those of low molecular weight occur mainly as vapour in the air, those of higher molecular weight as particles in soil or water.

About this article

polyaromatic hydrocarbon

Updated About encyclopedia.com content Print Article Share Article