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Definitions

carcinogen

[kahr-sin-uh-juhn, -jen, kahr-suh-nuh-jen, -noh-] / kɑrˈsɪn ə dʒən, -ˌdʒɛn, ˈkɑr sə nəˌdʒɛn, -noʊ- /
NOUN
cancer-causing agent
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Its active ingredient is glyphosate, which the International Agency for Research on Cancer, a unit of the World Health Organization, identified in 2015 as a probable human carcinogen.

From BBC • Feb. 17, 2026

Additional studies from several of the same authors have identified gas stoves as a source of benzene, a known carcinogen linked to leukemia and other blood disorders.

From Science Daily • Dec. 3, 2025

High Court representing more than 3,000 people alleged Johnson & Johnson, which spun off Kenvue in 2023, knowingly sold baby powder that was contaminated with asbestos, a carcinogen.

From Barron's • Oct. 17, 2025

But a recent FAA-funded study found two chemicals that can: formaldehyde, a known carcinogen and neurotoxin, and tridecane, which can cause headaches and stupor.

From The Wall Street Journal • Sep. 14, 2025

Even at that point, in 1957, the Food and Drug Administration could not instantly rescind the tolerance which allowed residues of a known carcinogen to contaminate food consumed by the public.

From "Silent Spring" by Rachel Carson