NOSOLOGY By N., Sam M.S. - 54 noun. the scientific study and categorization of diseases and disorders, both mental and physical. NOSOLOGY: "Nosology, while interesting on its own and quite in depth, is not a common core feature of any science-based degree program." Related Psychology Terms Discrimination and Mental Illness in the LGBT Population A Comparison of Maternal and Paternal Filicide CHILD PSYCHIATRY Dissociative Identity Disorder CLINICAL PSYCHOLOGY ORGANICISM (Organic Viewpoint) NOSOLOGY (literally, “study of disease”) AMERICAN PSYCHIATRIC ASSOCIATION COMMUNITY PSYCHIATRY NATIONAL ASSOCIATION FOR MENTAL HEALTH Cite this page: N., Sam M.S., "NOSOLOGY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/nosology/ (accessed June 27, 2022).