n. [ Gr. &unr_;, &unr_;, a bed + -logy. ] (Geol.) The history of the formation of stratified rocks. [ 1913 Webster ]
n. [ Gr. &unr_;, &unr_;, mouth + -logy. ] (Med.) Scientific study or knowledge of the mouth. [ Webster 1913 Suppl. ]
n. [ Gr. &unr_;, &unr_;, mouth + -logy. ] (Med.) Scientific study or knowledge of the mouth. [ Webster 1913 Suppl. ]