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psychosis

[sahy-koh-sis] /saɪˈkoʊ sɪs/
noun, plural psychoses
[-seez] /-siz/ (Show IPA).
Psychiatry.
1.
a mental disorder characterized by symptoms, such as delusions or hallucinations, that indicate impaired contact with reality.
2.
any severe form of mental disorder, as schizophrenia or paranoia.
Origin
1840-1850
1840-50; < Late Greek psȳ́chōsis animation, principle of life. See psych-, -osis
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for psychosis
  • Symptoms of psychosis can become gradually or suddenly evident.
  • It's long been known that syphilis can trigger psychosis.
  • Some cases, however are severe enough to cause psychosis or delusions.
  • Surely the unfairness in treating psychosis is knowing when to listen to patients and how.
  • It has created a national psychosis way beyond the reality of things.
  • It has also been long noted that psychosis declines during wartime.
  • If the diagnosis of psychosis is in doubt, the jury may conclude that the defense is not based on a qualifying diagnosis.
  • The balance, that includes possible shift to psychosis and impaired cognition, is far from positive.
  • Fortunately, the burden of proof that must be met is based on science, not psychosis.
  • psychosis may give rise to elaborate narrative fantasies of good and evil and voices commanding some action.
British Dictionary definitions for psychosis

psychosis

/saɪˈkəʊsɪs/
noun (pl) -choses (-ˈkəʊsiːz)
1.
any form of severe mental disorder in which the individual's contact with reality becomes highly distorted Compare neurosis
Word Origin
C19: New Latin, from psycho- + -osis
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
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Word Origin and History for psychosis
n.

1847, "mental derangement," Modern Latin, from Greek psykhe- "mind" (see psyche) + -osis "abnormal condition." Greek psykhosis meant "a giving of life; animation; principle of life."

Online Etymology Dictionary, © 2010 Douglas Harper
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psychosis in Medicine

psychosis psy·cho·sis (sī-kō'sĭs)
n. pl. psy·cho·ses (-sēz)
A severe mental disorder, with or without organic damage, characterized by derangement of personality and loss of contact with reality and causing deterioration of normal social functioning.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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psychosis in Science
psychosis
  (sī-kō'sĭs)   
Plural psychoses (sī-kō'sēz)
A mental state caused by psychiatric or organic illness, characterized by a loss of contact with reality and an inability to think rationally. A psychotic person often behaves inappropriately and is incapable of normal social functioning.

psychotic adjective (sī-kŏt'ĭk)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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psychosis in Culture
psychosis [(seye-koh-sis)]

A severe mental disorder, more serious than neurosis, characterized by disorganized thought processes, disorientation in time and space, hallucinations, and delusions. Paranoia, manic depression, megalomania, and schizophrenia are all psychoses. One who suffers from psychosis is psychotic.

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