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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.

Ethylene oxide was already identified as a carcinogen by the state, but the new assessment updates its risk levels based on the new research.

From Los Angeles Times • May 14, 2026

But monitoring for leaks has proved effective in other industries; fence-line emissions of benzene, a carcinogen, fell 30% at petroleum refineries after implementation of a similar monitoring program, according to the EPA.

From Salon • May 10, 2026

“It can take like 10 years after being exposed to a carcinogen, or even 20 years for cancer to manifest.”

From The Wall Street Journal • Apr. 20, 2026

The International Agency for Research on Cancer considers glyphosate, one of Roundup's ingredients, a probable human carcinogen, but Bayer says scientific studies and regulatory approvals show the weedkiller is safe.

From Barron's • Feb. 17, 2026

Warburg believes that either radiation or a chemical carcinogen acts by destroying the respiration of normal cells, thus depriving them of energy.

From "Silent Spring" by Rachel Carson



Vocabulary lists containing carcinogen


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