Medical Dictionary

carcinogen

noun car·cin·o·gen
\kär-ˈsin-ə-jən, ˈkärs-ən-ə-ˌjen\

Medical Definition of CARCINOGEN

:  a substance or agent causing cancer

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears