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
They are classified as a Group 1 human carcinogen, and their impact on various systems and organs in the body has been widely documented in research.
—
Jasmine Laws, MSNBC Newsweek, 14 Nov. 2025
Although the temperature is higher than many other healthy cooking methods, some evidence suggests that roasting chicken at temperatures up to 392 degrees produces relatively low levels of carcinogens.
—Lindsey Desoto, Health, 13 Nov. 2025
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, 30 Oct. 2025
The rules that facilities are exempt from complying with include those aimed at reducing releases of ethylene oxide — a cancer-causing gas used in sterilization and chloroprene — which is used to make neoprene and is considered a likely carcinogen by the Environmental Protection Agency (EPA).
—Rachel Frazin, The Hill, 22 Oct. 2025
See All Example Sentences for carcinogen
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Jasmine Laws, MSNBC Newsweek, 14 Nov. 2025
Although the temperature is higher than many other healthy cooking methods, some evidence suggests that roasting chicken at temperatures up to 392 degrees produces relatively low levels of carcinogens.
—Lindsey Desoto, Health, 13 Nov. 2025
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, 30 Oct. 2025
The rules that facilities are exempt from complying with include those aimed at reducing releases of ethylene oxide — a cancer-causing gas used in sterilization and chloroprene — which is used to make neoprene and is considered a likely carcinogen by the Environmental Protection Agency (EPA).
—Rachel Frazin, The Hill, 22 Oct. 2025
See All Example Sentences for carcinogen
Cite this Entry
“Carcinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carcinogen. Accessed 29 Nov. 2025.
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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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