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
Consumer Reports revealed last year that carcinogens were found in samples of 10 popular synthetic braiding hair brands.
—
Claretta Bellamy, NBC news, 12 Feb. 2026
Smoking marijuana is also unhealthy, however, because cannabis smoke contains carcinogens, tar and other dangerous elements.
—Melissa Rudy, FOXNews.com, 11 Feb. 2026
Some of those units that summer were evacuated after tests revealed high levels of TCE, a carcinogen.
—Tom Daykin, jsonline.com, 4 Feb. 2026
Another item, a sports hat, contained almost 10 times the regulatory limit for formaldehyde, which can cause skin irritation, respiratory issues, burns and, with prolonged exposure, is considered a potential human carcinogen.
—Jasmin Malik Chua, Sourcing Journal, 4 Feb. 2026
See All Example Sentences for carcinogen
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Claretta Bellamy, NBC news, 12 Feb. 2026
Smoking marijuana is also unhealthy, however, because cannabis smoke contains carcinogens, tar and other dangerous elements.
—Melissa Rudy, FOXNews.com, 11 Feb. 2026
Some of those units that summer were evacuated after tests revealed high levels of TCE, a carcinogen.
—Tom Daykin, jsonline.com, 4 Feb. 2026
Another item, a sports hat, contained almost 10 times the regulatory limit for formaldehyde, which can cause skin irritation, respiratory issues, burns and, with prolonged exposure, is considered a potential human carcinogen.
—Jasmin Malik Chua, Sourcing Journal, 4 Feb. 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 Feb. 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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