A powerful, synthetic, short-acting narcotic drug, C22H28N2OC6H8O7, used for severe pain and as a general anesthetic.
Webster's New World
(pharmacology) A particular narcotic painkiller.
Origin of Fentanyl
Alteration of phen(yl) (e)t(hyl) alteration of anil(ine)
From American Heritage Dictionary of the English Language, 5th Edition
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