Definition of "aryl" []

• Any univalent organic radical derived from an aromatic hydrocarbon by removing a hydrogen atom. (noun)

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• "In 1979 a new receptor was discovered, called the aryl hydrocarbon receptor, which binds specifically with dioxin and PCB."
• "It is the chemical that gets into the body via smoke but then is converted by enzymes called aryl hydrocarbon hydroxylases into a more potent chemical that is the epoxide of BP."
• "The aryl hydrocarbon receptor is found in almost every tissue of the body and it is found far down the evolutionary chain, even in fish."