co·car·cin·o·gen (kō'kär-sĭn'ə-jən, kō-kär'sĭn-ə-jěn') n. A substance or factor that will not promote cancer by itself but can potentiate cancer when acting with carcinogenic agents. co·car'cin·o·gen'ic (-sə-nə-jěn'ĭk) adj.
Main Entry: co·car·cin·o·gen Pronunciation: "kO-kär-'sin-&-j&n, kO-'kärs-&n-&-"jen Function: noun : an agent that aggravates the carcinogenic effects of another substance —co·car·cin·o·gen·ic/"kO-"kärs-&n-O-'jen-ik/adjective
cocarcinogen co·car·cin·o·gen (kō'kär-sĭn'ə-jən, kō-kär'sə-nə-jěn') n. A substance that works in combination with a carcinogen in the production of cancer.