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pethidine

noun
  1. a white crystalline water-soluble drug used as an analgesic. Formula: C 15 H 21 NO 2 .HClAlso called: pethidine hydrochloride
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Word Origin

C20: perhaps a blend of piperidine + ethyl
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