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psychosis

Syllabification: (psy·cho·sis)
Pronunciation: /sīˈkōsəs/

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Definition of psychosis

noun (plural psychoses /-ˌsēz/)

  • a severe mental disorder in which thought and emotions are so impaired that contact is lost with external reality.

Origin:

mid 19th century: from Greek psukhōsis 'animation', from psukhoun 'give life to', from psukhē 'soul, mind'

Make the plural of psychosis by changing the -is ending to -es: (psychoses).

psychosis in other Oxford dictionaries

Definition of psychosis in the British & World English dictionary

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