Meperidine Definition
 mə-pĕrĭ-dēn 
    noun
  
 A synthetic, bitter-tasting, crystalline narcotic, C15H21NO2, used as a sedative and analgesic.
 Webster's New World 
Synonyms: 
  
- demerol
- meperidine hydrochloride
Origin of Meperidine
- me(thyl) (pi)peridine - From American Heritage Dictionary of the English Language, 5th Edition 
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