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n. Any univalent organic radical derived from an aromatic hydrocarbon by removing a hydrogen atom.

n. A name introduced by Vorländer to designate a radical derived from an aromatic hydrocarbon, as phenyl, C6H5, tolyl, C7H7.

"In 1979 a new receptor was discovered, called the aryl hydrocarbon receptor, which binds specifically with dioxin and PCB."

alkyl   

phenyl    acyl    silyl    alkoxy    diazonium    n-alkylammonium    isothiocyanate    hydroxy-    nitronium    mercuric