1938, contracted from alphamethyl-phenethylamine.
amphetamine am·phet·a·mine (ām-fět'ə-mēn', -mĭn)
n.
A colorless, volatile liquid used primarily as a central nervous system stimulant.
A derivative of amphetamine, such as dextroamphetamine or a phosphate or sulfate of amphetamine, used as a central nervous system stimulant in the treatment of certain conditions, such as narcolepsy and depression.
A drug that stimulates the central nervous system and is used to treat certain conditions, such as attention deficit disorder, depression, and narcolepsy.