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isolation

[ahy-suh-ley-shuh n, is-uh-]
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noun
  1. an act or instance of isolating.
  2. the state of being isolated.
  3. the complete separation from others of a person suffering from contagious or infectious disease; quarantine.
  4. the separation of a nation from other nations by isolationism.
  5. Psychoanalysis. a process whereby an idea or memory is divested of its emotional component.
  6. Sociology. social isolation.
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Origin of isolation

First recorded in 1825–35; isolate + -ion
Related formsan·ti-i·so·la·tion, adjectivepost·i·so·la·tion, adjectivere·i·so·la·tion, noun

Synonyms

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2. See solitude. 3. segregation.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for isolation

isolation

noun
  1. the act of isolating or the condition of being isolated
  2. (of a country, party, etc) nonparticipation in or withdrawal from international politics
  3. med
    1. social separation of a person who has or is suspected of having a contagious diseaseCompare quarantine
    2. (as modifier)an isolation hospital
  4. sociol a lack of contact between persons, groups, or whole societies
  5. social psychol the failure of an individual to maintain contact with others or genuine communication where interaction with others persists
  6. in isolation without regard to context, similar matters, etc
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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 isolation

n.

1800, noun of action from isolate, or else from French isolation, noun of action from isoler (see isolated).

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Online Etymology Dictionary, © 2010 Douglas Harper

isolation in Medicine

isolation

(ī′sə-lāshən)
n.
  1. The act of isolating or the state of being isolated.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.