H0168600 (hûr′pĭ-tŏl′ə-jē)n. The branch of zoology that deals with reptiles and amphibians.[Greek herpeton, reptile (from herpein, to creep) + -logy.]her′pe·to·log′ic(-tə-lŏj′ĭk), her′pe·to·log′i·cal adj.her′pe·to·log′i·cal·ly adv.her′pe·tol′o·gist n.MedicalSeeherpetology