¹ Source: wiktionary.com
Definition of Carcinogens
1. carcinogen [n] - See also: carcinogen
Medical Definition of Carcinogens
1. Substances that increase the risk of neoplasms in humans or animals. Both genotoxic chemicals, which affect DNA directly, and nongenotoxic chemicals, which induce neoplasms by other mechanism, are included. (12 Dec 1998)