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Noun: heroin  he-row-in
  1. A narcotic that is considered a hard drug; a highly addictive morphine derivative; intravenous injection provides the fastest and most intense rush
    - diacetylmorphine, junk [informal], diamorphine

Sounds like: herl, hroin, her

Derived forms: heroins

Type of: hard drug, opiate

Encyclopedia: Heroin