NOSOLOGY By N., Pam M.S. - April 7, 2013 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 PSYCHOPATHOLOGY PROPHYLAXIS BRAIN BANK EPIDEMIOLOGY SCIENTISM PINEL'S SYSTEM PHONEMICS PSYCHOPHARMACOTHERAPY SYNDROME BRAIN PATHOLOGY Cite this page: N., Pam M.S., "NOSOLOGY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/nosology/ (accessed June 18, 2019).