noun. ['ˌmɛθæmˈfɛtəmiːn, ˌmɛθæmˈfɛtəmaɪn'] 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.
- chicken feed
- methamphetamine hydrochloride
- controlled substance
- pep pill
noun. a complex consisting of an organic base in association with hydrogen chloride.
- coordination compound