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[fen-tuh-nil] /ˈfɛn tə nɪl/
noun, Pharmacology.
a synthetic, short-acting narcotic analgesic and sedative, C 22 H 28 N 2 O, used pharmacologically in anesthesia and neuroleptanalgesia, and also as an illicit drug: Medics quickly administered fentanyl to the injured soldiers.
Drug dealers are lacing heroin with fentanyl.
Origin of fentanyl
1960-65; contraction and respelling of the chemical name N-(1-phenethyl-4-piperidyl)propionanilide Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for fentanyl


a narcotic drug used in medicine to relieve pain
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
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fentanyl in Medicine

fentanyl fen·ta·nyl (fěn'tə-nĭl)
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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