fentanyl

[fen-tuh-nil]
noun Pharmacology.
a synthetic, short-acting narcotic analgesic and sedative, C 28 H 36 N 2 O 8 , used in combination with other drugs in anesthesia and in neuroleptanalgesia.

Origin:
contraction and respelling of the chemical name

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Collins
World English Dictionary
fentanyl (ˈfɛntəˌnaɪl)
 
n
a narcotic drug used in medicine to relieve pain

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Medical Dictionary

fentanyl fen·ta·nyl (fěn'tə-nĭl)
n.
A narcotic analgesic used in combination with other drugs before, during, or following surgery.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

fentanyl

-(1-phenethyl-4-piperidyl)propionanilide, synthetic narcotic analgesic drug, the most potent narcotic in clinical use (50 to 100 times more potent than morphine). The citrate salt, fentanyl citrate, is administered by injection, either intramuscularly or intravenously, sometimes in combination with a potent tranquillizer. The duration of its pain-relieving action is short

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Opiate pain relievers, such as morphine or fentanyl, may be needed to control severe pain.
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