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narco-

  1. a combining form meaning “stupor,” “narcosis,” used in the formation of compound words: narcodiagnosis.
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Also especially before a vowel, narc-.

Origin of narco-

< Greek nárk(ē) numbness, stiffness + -o-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for narco-

narco-

sometimes before a vowel narc-

combining form
  1. indicating numbness or torpornarcolepsy
  2. connected with or derived from illicit drug productionnarcoeconomies
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Word Origin

from Greek narkē numbness
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 narco-

word-forming element meaning "stupor, narcosis, sleep," from Latinized form of Greek narko-, comb. form of narke "numbness" (see narcotic (n.)).

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Online Etymology Dictionary, © 2010 Douglas Harper
narco- in Medicine

narco-

pref.
  1. Numbness; stupor; lethargy:narcolepsy.
  2. Narcotic:narcoanalysis.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.