narcotic

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narcotic

 [nahr-kot´ic]
1. pertaining to or producing narcosis.
2. an agent that produces insensibility or stupor, applied especially to the opioids, i.e., to any natural or synthetic drug that has actions like those of morphine. See also drug abuse.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

nar·cot·ic

(nar-kot'ik),
1. Originally, any drug derived from opium or opiumlike compounds with potent analgesic effects associated with both significant alteration of mood and behavior and with potential for dependence and tolerance.
2. More recently, any drug, synthetic or naturally occurring, with effects similar to those of opium and opium derivatives, including meperidine, fentanyl, and their derivatives.
3. Capable of inducing a state of stuporous analgesia.
[G. narkōtikos, benumbing]
Farlex Partner Medical Dictionary © Farlex 2012

narcotic

(när-kŏt′ĭk)
n.
a. A drug, such as morphine or heroin, that is derived from opium or an opiumlike compound, relieves pain, often induces sleep, can alter consciousness, and is potentially addictive.
b. A controlled substance.
adj.
1. Inducing sleep or stupor; causing narcosis.
2. Of or relating to narcotics, their effects, or their use.
3. Of, relating to, or intended for one addicted to a narcotic.

nar·cot′i·cal·ly adv.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

narcotic

Substance abuse A substance causing euphoria and analgesia at the desired abuse levels and physical dependence and CNS depression, stupor, coma and death in excess. See Opiates.
Narcotic types
Natural Products extracted from the poppy plant, yielding morphine and heroin, or the coca plant, yielding cocaine and crack
Semi-synthetic Products with opiate activity, eg meperidine and methadone or synthetics, see MPTP; under the umbrella term of narcotic, alkaloids, eg LSD, mescaline, barbiturates, alcohol, marijuana, cocaine, hallucinogens and stimulants, eg antidepressants.
Completely synthetic Products created by synthesis alone, eg fentanyl  
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

nar·cot·ic

(nahr-kot'ik)
1. Any drug derived from opium or opiumlike compounds with potent analgesic effects associated with both significant alteration of mood and behavior and potential for dependence and tolerance.
2. Any drug, synthetic or naturally occurring, with effects similar to those of opium and opium derivatives.
3. Capable of inducing a state of stuporous analgesia.
[G. narkōtikos, a benumbing]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

narcotic

A drug which, in appropriate dosage, produces sleep and relieves pain. Overdosage of narcotics may cause coma and death. Most narcotics are derived from opium or are synthetic substances chemically related to morphine.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

narcotic

any chemical substance that induces a state of stupor or unconsciousness, such as opium.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Narcotic

A drug derived from opium or compounds similar to opium. Such drugs are potent pain relievers and can affect mood and behavior. Long-term use of narcotics can lead to dependence and tolerance.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

nar·cot·ic

(nahr-kot'ik)
1. Any drug, synthetic or naturally occurring, with effects similar to those of opium and opium derivatives, including meperidine, fentanyl, and their derivatives.
2. Capable of inducing stuporous analgesia.
[G. narkōtikos, a benumbing]
Medical Dictionary for the Dental Professions © Farlex 2012
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Lord Irvine yesterday rejected complaints about his attitude as "completely synthetic indignation".
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Craig Venter Institute in Rockville, Maryland, announced that he and his colleagues had made a live bacterium containing a completely synthetic genome.

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