aromatic hydrocarbon(redirected from Polycylclic aromatic hydrocarbon)
Also found in: Dictionary, Thesaurus, Medical.
aromatic hydrocarbon[¦ar·ə¦mad·ik ¦hī·drə′kär·bən]
A member of the class of hydrocarbons, of which benzene is the first member, consisting of assemblages of cyclic conjugated carbon atoms and characterized by large resonance energies. Also known as arene.