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[nahr-koh-sis] /nɑrˈkoʊ sɪs/
a state of stupor or drowsiness.
a state of stupor or greatly reduced activity produced by a drug.
Also called narcotism.
Origin of narcosis
1685-95; < New Latin < Greek nárkōsis. See narc-, -osis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for narcosis
Historical Examples
  • The narcosis has no relation to the stimulation but one of accidental sequence.

    Tobacco and Alcohol John Fiske
  • Ants show similar symptoms after narcosis by means of chloroform.

    Criminal Man Gina Lombroso-Ferrero
  • In the common form there are three stages, viz.:— Excitement; narcosis; Coma.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
  • He sees already that it is not stimulus but narcosis which is ruining the drunkard.

    Tobacco and Alcohol John Fiske
  • For reasons above given, however, it is probable that in cases of narcosis some alcohol always escapes.

    Tobacco and Alcohol John Fiske
  • It is thus probable that no alcohol can be transformed after narcosis begins.

    Tobacco and Alcohol John Fiske
  • (·4 grain), in about two hours; there are fibrillar twitchings of single groups of muscles and narcosis.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
  • The very air of the room was heavy with the narcosis of embarrassment.

    The Helpers Francis Lynde
  • It is contrary to all our present science to suppose that consumption can be prevented by narcosis.

    Tobacco and Alcohol John Fiske
  • But at last, the narcosis of cellular exhaustion completely overcame him and he slept.

    Deepfreeze Robert Donald Locke
British Dictionary definitions for narcosis


unconsciousness induced by narcotics or general anaesthetics
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 narcosis

1690s, "state of unconsciousness caused by a narcotic," Modern Latin, from Greek narkosis, from narkoun "to benumb" (see narcotic (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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narcosis in Medicine

narcosis nar·co·sis (när-kō'sĭs)
n. pl. nar·co·ses (-sēz)
General and nonspecific reversible depression of neuronal excitability, produced by a physical or chemical agent, usually resulting in stupor rather than in anesthesia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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