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schizophrenia

[skit-suh-free-nee-uh, -freen-yuh]
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noun
  1. Psychiatry. Also called dementia praecox. a severe mental disorder characterized by some, but not necessarily all, of the following features: emotional blunting, intellectual deterioration, social isolation, disorganized speech and behavior, delusions, and hallucinations.
  2. a state characterized by the coexistence of contradictory or incompatible elements.
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Origin of schizophrenia

First recorded in 1910–15; schizo- + -phrenia
Related formsschiz·o·phren·ic [skit-suh-fren-ik] /ˌskɪt səˈfrɛn ɪk/, adjective, nounnon·schiz·o·phren·ic, adjectiveun·schiz·o·phren·ic, adjective
Can be confusedneurotic psychotic schizoid schizophrenic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for schizophrenia

schizophrenia

noun
  1. any of a group of psychotic disorders characterized by progressive deterioration of the personality, withdrawal from reality, hallucinations, delusions, social apathy, emotional instability, etcSee catatonia, hebephrenia, paranoia
  2. informal behaviour that appears to be motivated by contradictory or conflicting principles
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Word Origin

C20: from schizo- + Greek phrēn mind + -ia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for schizophrenia

n.

1912, from Modern Latin, literally "a splitting of the mind," from German Schizophrenie, coined in 1910 by Swiss psychiatrist Eugen Bleuler (1857-1939), from Greek skhizein "to split" (see schizo-) + phren (genitive phrenos) "diaphragm, heart, mind," of unknown origin.

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Online Etymology Dictionary, © 2010 Douglas Harper

schizophrenia in Medicine

schizophrenia

(skĭt′sə-frēnē-ə, -frĕnē-ə)
n.
  1. Any of a group of psychotic disorders usually characterized by withdrawal from reality, illogical patterns of thinking, delusions, and hallucinations, and accompanied in varying degrees by other emotional, behavioral, or intellectual disturbances. Schizophrenia is associated with dopamine imbalances in the brain and may have an underlying genetic cause.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

schizophrenia in Science

schizophrenia

[skĭt′sə-frēnē-ə, skĭt′sə-]
  1. Any of a group of psychiatric disorders characterized by withdrawal from reality, illogical patterns of thinking, delusions, hallucinations, and psychotic behavior. Schizophrenia is associated with an imbalance of the neurotransmitter dopamine in the brain and may have an underlying genetic cause.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

schizophrenia in Culture

schizophrenia

[(skit-suh-free-nee-uh, skit-suh-fren-ee-uh)]

A form of psychosis marked by a strong tendency to dissociate oneself from reality. Schizophrenia is often characterized by hallucinations, delusions, and inappropriate reactions to situations. The word schizophrenia is often used informally as well as scientifically to indicate a split personality.

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.