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
According to public records, the inspection also found that GKN used materials containing hexavalent chrome, a dangerous carcinogen; used coatings containing toxic air contaminants; and exceeded facility-wide volatile organic compound emissions.
—
Tony Saavedra, Oc Register, 23 May 2026
Testing later revealed that the water sourced from the Flint River contained bacteria, carcinogens and elevated lead levels.
—Aimee Picchi, CBS News, 19 May 2026
Ethylene oxide was already identified as a carcinogen by the state, but the new assessment updates its risk levels based on the new research.
—Los Angeles Times, 14 May 2026
Chromium is classified as a group 1 carcinogen by the International Agency for Research on Cancer.
—Aarne Heikkila, NBC news, 14 May 2026
See All Example Sentences for carcinogen
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Tony Saavedra, Oc Register, 23 May 2026
Testing later revealed that the water sourced from the Flint River contained bacteria, carcinogens and elevated lead levels.
—Aimee Picchi, CBS News, 19 May 2026
Ethylene oxide was already identified as a carcinogen by the state, but the new assessment updates its risk levels based on the new research.
—Los Angeles Times, 14 May 2026
Chromium is classified as a group 1 carcinogen by the International Agency for Research on Cancer.
—Aarne Heikkila, NBC news, 14 May 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 1 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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