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.
Monsanto and its parent company, the German conglomerate Bayer, maintain that glyphosate is not a carcinogen. Theresa Braine, New York Daily News, 24 Mar. 2025 The samples are being tested for carcinogens associated with wildfires that burn into urban areas. John Bonifield, CNN, 23 Mar. 2025 But there are many professions where the risks are less apparent that can result in prolonged exposure to carcinogens. John F. McQuillan, Forbes, 21 Mar. 2025 In recent years, concerns about the potential exposure to the carcinogen have prompted the FDA and manufacturers to issue recalls. Abby Norman, Verywell Health, 18 Mar. 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 15 Apr. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!