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
Studies have found oil wells can emit carcinogens and are linked to adverse health effects.
—
Los Angeles Times,
23 June 2026
Pet cats often share the same home as their owners, meaning they can be exposed to similar carcinogens in their water and air.
—
Kyle Melnick The Washington Post,
Arkansas Online,
21 June 2026
Whole leaf extract of aloe vera has been labeled as a possible carcinogen by the International Agency for Research on Cancer.
—
Cory Martin,
Verywell Health,
21 June 2026
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
See All Example Sentences for carcinogen
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Los Angeles Times,
23 June 2026
Pet cats often share the same home as their owners, meaning they can be exposed to similar carcinogens in their water and air.
—
Kyle Melnick The Washington Post,
Arkansas Online,
21 June 2026
Whole leaf extract of aloe vera has been labeled as a possible carcinogen by the International Agency for Research on Cancer.
—
Cory Martin,
Verywell Health,
21 June 2026
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
See All Example Sentences for carcinogen
Cite this Entry
“Carcinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carcinogen. Accessed 25 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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