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amphetamine Syllabification: am·phet·a·mine
Pronunciation: /amˈfedəˌmēn/

Definition of amphetamine in English:


A synthetic, addictive, mood-altering drug, used illegally as a stimulant and legally as a prescription drug to treat children with ADD and adults with narcolepsy.
  • Alternative name: 1-phenyl-2-aminopropane (or one of its salts, especially amphetamine sulfate); chemical formula: C6H5CH2CH(CH3)NH2
Example sentences
  • Ritalin is a stimulant whose effects are similar to those of amphetamine, methamphetamine and cocaine.
  • Scientists don't know much about how drugs like amphetamine and Prozac interact in young children.
  • The stimulant drugs are based on amphetamine and carry a risk of sudden death from fatal heart rhythms.


1930s: abbreviation of its chemical name, a(lpha-)m(ethyl) phe(ne)t(hyl)amine.

Definition of amphetamine in:
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