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BNC: 22463 COCA: 18794

amphetamine

noun
/æmˈfetəmiːn/, /æmˈfetəmɪn/
/æmˈfetəmiːn/, /æmˈfetəmɪn/
[countable, uncountable]
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  1. a drug that makes you feel excited and full of energy, used to treat certain medical conditions or taken illegally as a stimulant苯丙胺(中枢兴奋药);安非他明Topics Social issuesc2
    Word Origin1930s: abbreviation of its chemical name, a(lpha-)m(ethyl) phe(ne)t(hyl)amine.

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