polycyclic aromatic hydrocarbon(redirected from Polynuclear aromatic hydrocarbons)
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Related to Polynuclear aromatic hydrocarbons: Pahs
polycyclic aromatic hydrocarbon
n. Abbr. PAH
Any of a class of carcinogenic organic molecules that consist of three or more benzene rings and are commonly produced by fossil fuel combustion. Also called polynuclear aromatic hydrocarbon.
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