ˈfōlik-, ˈfäl- noun
Etymology: Latin fol ium leaf + English -ic; from its presence in green leaves
1. : a yellow or yellowish orange crystalline vitamin C 19 H 19 N 7 O 6 of the vitamin B complex obtained especially from leaves and from liver and also made synthetically and used chiefly in the treatment of nutritional megaloblastic anemia and sprue — called also folacin, PGA, pteroylglutamic acid, pteroylmonoglutamic acid, vitamin B c
2. : pteroylglutamic acid 2