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English definition of “carcinogen”


noun [C] uk   /kɑːˈsɪn.ə.dʒən/ us    /kɑːr-/
a substance that causes cancer: The American government classifies both asbestos and environmental tobacco smoke as class one carcinogens.Cancer
(Definition of carcinogen from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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