carcinogen Definition in the Cambridge English Dictionary
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Definition of “carcinogen” - English Dictionary

Definition of "carcinogen" - American English Dictionary

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carcinogennoun [C]

 us   /kɑrˈsɪn·ə·dʒən/ medical
a ​substance that can ​cause cancer (= a ​seriousillness that ​causestissues and ​cells to ​grow too ​quickly)
(Definition of carcinogen from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "carcinogen" - British English Dictionary

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carcinogennoun [C]

uk   /kɑːˈsɪn.ə.dʒən/  us   /kɑːr-/
a ​substance that ​causes cancer: The American ​governmentclassifies both ​asbestos and ​environmentaltobaccosmoke as ​class one carcinogens.
(Definition of carcinogen from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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