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neuroleptic

[noo r-uh-lep-tik, nyoo r-]
noun, adjective
  1. antipsychotic.
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Origin of neuroleptic

1955–60; < French neuroleptique, equivalent to neuro- neuro- + -leptique < Greek lēptikós disposed to take, equivalent to lēp- (verbid stem of lambánein to seize) + -tikos -tic; see -lepsy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for neuroleptic

neuroleptic

adjective
  1. capable of affecting the brain, esp by reducing the intensity of nerve function; tranquillizing
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noun
  1. a neuroleptic drug; major tranquillizer, used in the treatment of psychoses
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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

neuroleptic in Medicine

neuroleptic

(nur′ə-lĕptĭk)
n.
  1. A tranquilizing drug, especially one used in treating mental disorders.
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adj.
  1. Having a tranquilizing effect.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.