English

Definition of carcinogen noun from the Oxford Advanced Learner's Dictionary

 

carcinogen

 noun
noun
BrE BrE//kɑːˈsɪnədʒən//
 
; NAmE NAmE//kɑːrˈsɪnədʒən//
 
 
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a substance that can cause cancer known/potential/suspected carcinogens exposure to chemical carcinogens in cigarette smoke Word Origin mid 19th cent.: from an abbreviation of carcinoma + -gen.
See the Oxford Advanced American Dictionary entry: carcinogen