cocarcinogenic


co·car·cin·o·gen

C0440700 (kō′kär-sĭn′ə-jən, kō-kär′sĭn-ə-jĕn′)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-jĕn′ĭk) adj.

cocarcinogenic

(ˌkəʊkɑːˈsɪnəˌdʒɛnɪk; ˌkəʊˈkɑːsɪnəˌdʒɛnɪk) adjof or relating to a cocarcinogen