Definition of psychiatry noun from the Oxford Advanced Learner's Dictionary

 

psychiatry

 noun
noun
BrE BrE//saɪˈkaɪətri//
 
; NAmE NAmE//saɪˈkaɪətri//
 
[uncountable] Mental health care, Conventional medicine
 
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the study and treatment of mental illness See related entries: Mental health care, Conventional medicine Word Origin mid 19th cent.: from Greek psukhē ‘soul, mind’ + iatreia ‘healing’ (from iatros ‘healer’).
See the Oxford Advanced American Dictionary entry: psychiatry