amphetamine
noun /æmˈfetəmiːn/, /æmˈfetəmɪn/
/æmˈfetəmiːn/, /æmˈfetəmɪn/
[countable, uncountable]- a drug that makes you feel excited and full of energy, used to treat certain medical conditions or taken illegally as a stimulantTopics Social issuesc2Word Origin1930s: abbreviation of its chemical name, a(lpha-)m(ethyl) phe(ne)t(hyl)amine.