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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. 2018.
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Examples from the Web for narcosis
Historical Examples
  • Ants show similar symptoms after narcosis by means of chloroform.

    Criminal Man Gina Lombroso-Ferrero
  • He sees already that it is not stimulus but narcosis which is ruining the drunkard.

    Tobacco and Alcohol John Fiske
  • The narcosis has no relation to the stimulation but one of accidental sequence.

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

    Tobacco and Alcohol John Fiske
  • The very air of the room was heavy with the narcosis of embarrassment.

    The Helpers Francis Lynde
  • But at last, the narcosis of cellular exhaustion completely overcame him and he slept.

    Deepfreeze Robert Donald Locke
  • It is contrary to all our present science to suppose that consumption can be prevented by narcosis.

    Tobacco and Alcohol John Fiske
  • Not only this, the intra-ocular tension of normal eyes during this narcosis drops several millimeters.

    Glaucoma Various
  • (·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
  • After fifteen minutes there was narcosis, with lessened reflex action; the temperature was almost normal.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
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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