carcinology
/ˌkɑːsɪˈnɒlədʒi/ /ˌkɑːs(ə)nˈɒlədʒi/noun
1 Zoology. The branch of zoology concerned with crabs and other crustaceans.
2 Medicine = oncology rare.
Origin
Mid 19th century. From ancient Greek καρκίνος crab, sore or ulcer, cancer + -logy, after French carcinologie.