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
Brook said genetic testing showed no predisposition for cancer and believed decades of exposure to carcinogens as a firefighter caused the disease.
—
Dawn White, CBS News, 17 June 2026
The more nuanced answer is that smoke does contain potential carcinogens and some are deposited in the meat.
—Bestreviews, Chicago Tribune, 12 June 2026
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
See All Example Sentences for carcinogen
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Dawn White, CBS News, 17 June 2026
The more nuanced answer is that smoke does contain potential carcinogens and some are deposited in the meat.
—Bestreviews, Chicago Tribune, 12 June 2026
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
See All Example Sentences for carcinogen
Cite this Entry
“Carcinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carcinogen. Accessed 21 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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