carcinogen

noun

car·​cin·​o·​gen kär-ˈsi-nə-jən How to pronounce carcinogen (audio) ˈkär-sə-nə-ˌjen How to pronounce carcinogen (audio)
: a substance or agent causing cancer

Examples of carcinogen in a Sentence

Cigarette smoke contains known carcinogens.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
However, some evidence suggests that aspartame may be a carcinogen. Stephanie Brown, Verywell Health, 30 Jan. 2025 However, research has also shown that sulforaphane can influence detoxification enzymes that help the body eliminate toxins and potential carcinogens (cancer-causing substances). Chelsea Rae Bourgeois, Rdn, Ld, Health, 11 Jan. 2025 This link is so strong that acetaldehyde has been classified as a carcinogen since 1999. Nikki Crowley, The Conversation, 10 Jan. 2025 Many plastics contain harmful chemicals, including carcinogens. Yaakov Katz, Newsweek, 8 Feb. 2025 See All Example Sentences for carcinogen

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of carcinogen was in 1853

Cite this Entry

“Carcinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carcinogen. Accessed 4 Mar. 2025.

Kids Definition

carcinogen

noun
car·​cin·​o·​gen kär-ˈsin-ə-jən How to pronounce carcinogen (audio) ˈkärs-ᵊn-ə-ˌjen How to pronounce carcinogen (audio)
: a substance that causes cancer
carcinogenic adjective

Medical Definition

carcinogen

noun
car·​cin·​o·​gen kär-ˈsin-ə-jən How to pronounce carcinogen (audio) ˈkärs-ᵊn-ə-ˌjen How to pronounce carcinogen (audio)
: a substance or agent causing cancer

More from Merriam-Webster on carcinogen

Last Updated: - Updated example sentences
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