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1. An amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
   - methamphetamine, Methedrine, meth [informal], deoxyephedrine, chalk [informal], crank [informal], glass [informal], ice [informal], shabu [Asia, informal], trash [informal], gak [informal], crystal meth

Type of: amphetamine, controlled substance, pep pill [informal], speed [informal], upper [informal]

Encyclopedia: Methamphetamine hydrochloride