anticarcinogenic

an·ti·car·ci·no·genic

(an'tē-kahr'si-nō-jen'ik) Tending to inhibit or prevent the activity of a carcinogen.

anticarcinogenic

(ant″i-kars″ĭn-ō-jen′ik) [ anti- + carcinogenic] 1. Tending to delay or prevent tumor formation.2. A substance or action that prevents or delays tumor formation.