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Definition of amphetamine noun from the Oxford Advanced Learner's Dictionary

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 stimulantTopics Social issuesc2
    Word Origin1930s: abbreviation of its chemical name, a(lpha-)m(ethyl) phe(ne)t(hyl)amine.
See amphetamine in the Oxford Advanced American Dictionary
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verb
 
 
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