Definition of "nitroso" [nitroso]

• The univalent radical and functional group -N=O (noun)

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• "Chemoprevention of N-nitroso-N-methylurea-induced rat mammary carcinogenesis by soy foods or biochanin A."
• "Her research involved, successively, identification and syntheses of a number of metabolites of carcinogenic and related polycyclic aromatic hydrocarbons (PAHs); simulation in vitro of biological oxidations of PAHs; isolation of carcinogens from shale oil and coal tar; and, from the 1960s, studies on the carcinogenic action of certain pyrrolizidine (Senecio) alkaloids and their ability to induce chronic lesions and tumors in the liver, pancreas, etc., and of diazomethane and certain nitroso compounds."
• "Here she continued research into pyrrolidizine alkaloids and nitroso compounds."