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Noun: diacetylmorphine  ,dI-u,see-t(u)l'mor,feen
  1. A narcotic that is considered a hard drug; a highly addictive morphine derivative; intravenous injection provides the fastest and most intense rush
    - heroin, junk [informal], diamorphine

Type of: hard drug, opiate

Encyclopedia: Diacetylmorphine