gnathology التعريفات والمعاني == English == === Etymology === From gnatho- + -logy. === Noun === gnathology (uncountable) The study of the masticatory system. ==== Derived terms ==== شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة gnathological gnathologist gnathologists graphology gnatologia gnatologie