Definition of amphetamine noun from the Oxford Advanced American Dictionary

 

amphetamine

 noun
noun
NAmE//æmˈfɛt̮əˌmin//
 
, NAmE//‑mən//
 
[countable, uncountable]
 
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a drug that makes you feel excited and full of energy. Amphetamines are sometimes taken illegally.
See the Oxford Advanced Learner's Dictionary entry: amphetamine