carcinogen
noun
car·cin·o·gen
kär-ˈsi-nə-jən 
ˈkär-sə-nə-ˌjen
ˈkär-sə-nə-ˌjen
: a substance or agent causing cancer
Examples of carcinogen in a Sentence
Cigarette smoke contains known carcinogens.
Recent Examples on the Web
The synthetic pyrethroid insecticide cypermethrin, which the EPA calls a possible human carcinogen, was detected on nearly half of all samples.
—
Sandee Lamotte, CNN Money, 9 June 2026
Some of those chemicals are carcinogens.
—Sumit Mandal, The Conversation, 9 June 2026
Todd Brook believed his cancer stemmed from decades of exposure to carcinogens while fighting fires.
—Dawn White, CBS News, 5 June 2026
More than two months after the Eaton and Palisades fires were extinguished, researchers from UCLA and UC Davis detected elevated levels of hexavalent chromium — a potent carcinogen — in the burn areas, the paper in the journal Nature Communications Earth & Environment says.
—Tony Briscoe, Los Angeles Times, 4 June 2026
See All Example Sentences for carcinogen
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Sandee Lamotte, CNN Money, 9 June 2026
Some of those chemicals are carcinogens.
—Sumit Mandal, The Conversation, 9 June 2026
Todd Brook believed his cancer stemmed from decades of exposure to carcinogens while fighting fires.
—Dawn White, CBS News, 5 June 2026
More than two months after the Eaton and Palisades fires were extinguished, researchers from UCLA and UC Davis detected elevated levels of hexavalent chromium — a potent carcinogen — in the burn areas, the paper in the journal Nature Communications Earth & Environment says.
—Tony Briscoe, Los Angeles Times, 4 June 2026
See All Example Sentences for carcinogen
Cite this Entry
“Carcinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carcinogen. Accessed 16 Jun. 2026.
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Medical Definition
carcinogen
noun
car·cin·o·gen
kär-ˈsin-ə-jən
ˈkärs-ᵊn-ə-ˌjen
ˈkärs-ᵊn-ə-ˌjen
: a substance or agent causing cancer
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