[ nahr-koh-sis ]
/ nɑrˈkoʊ sɪs /


a state of stupor or drowsiness.
a state of stupor or greatly reduced activity produced by a drug.Compare nitrogen narcosis.

Origin of narcosis

1685–95; < New Latin < Greek nárkōsis. See narc-, -osis
Also called narcotism. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for narcosis

British Dictionary definitions for narcosis

/ (nɑːˈkəʊsɪs) /


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

Medical definitions for narcosis

[ när-kōsĭs ]

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.