A lot vs. Alot: 9 Grammatical Pitfalls
1938, contracted from alphamethyl-phenethylamine.
amphetamine am·phet·a·mine (ām-fět'ə-mēn', -mĭn)
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.
Any of a group of drugs that stimulate the central nervous system, resulting in elevated blood pressure, heart rate, and other metabolic functions. Amphetamines are used in the treatment of certain neurological conditions, such as attention deficit hyperactivity disorder and narcolepsy. The drugs are highly addictive and are sometimes abused.