Etymology
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schizophrenia (n.)

1909, a broad term for a range of more or less severe mental disorders involving a breakdown of the relation between thought, emotion, and action; literally "a splitting of the mind," from German Schizophrenie (1908), coined by Swiss psychiatrist Eugen Bleuler (1857-1939), from Latinized form of Greek skhizein "to split" (from PIE root *skei- "to cut, split") + phrēn (genitive phrenos) "heart, mind" (hence phrenes "wits, sanity"), for which see phreno-.

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Definitions of schizophrenia

schizophrenia (n.)
any of several psychotic disorders characterized by distortions of reality and disturbances of thought and language and withdrawal from social contact;
Synonyms: schizophrenic disorder / schizophrenic psychosis / dementia praecox
From wordnet.princeton.edu