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[fuh-nas-i-tin] /fəˈnæs ɪ tɪn/
noun, Pharmacology.
a white, slightly water-soluble, crystalline solid, C 1 0 H 1 3 NO 2 , used in medicine chiefly as an agent for checking or preventing fever or for relieving pain: withdrawn because of unfavorable side effects.
Also called acetophenetidin.
Origin of phenacetin
First recorded in 1885-90; phen(etidine) + acet(yl) + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for phenacetin


a white crystalline solid formerly used in medicine to relieve pain and fever. Because of its kidney toxicity it has been superseded by paracetamol. Formula: CH3CONHC6H4OC2H5 Also called acetophenetidin
Word Origin
C19: from phenetidine + acetyl + -in
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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phenacetin in Medicine

phenacetin phe·nac·e·tin (fə-nās'ĭ-tĭn)
See acetophenetidin.

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