Methadone Definition

mĕthə-dōn
noun
A synthetic narcotic drug, C21H27NO, used in medicine to treat heroin and morphine addicts: it is more potent than morphine, with a longer duration of action and milder withdrawal symptoms.
Webster's New World
Synonyms:
  • synthetic heroin
  • fixer
  • dolophine hydrochloride
  • methadon
  • methadone hydrochloride

Origin of Methadone

  • Short for methadone hydrochloride (di)meth(yl) a(mino) d(iphenyl) (heptan)one a ketone (heptan(e)) (–one)

    From American Heritage Dictionary of the English Language, 5th Edition

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