Definition of "amphetamine" []

• A colorless, volatile liquid, C9H13N, used as a central nervous system stimulant in the treatment of certain conditions, such as attention deficit hyperactivity disorder, depression, and narcolepsy, and abused illegally as a stimulant. (noun)
• A derivative of amphetamine, such as dextroamphetamine or a phosphate or sulfate of amphetamine. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The judge said Zakrzewski's long-term amphetamine abuse and lack of insight into his actions made him a danger to the public."
• "Malanga, a silver fox, reminisced about the "dawn patrol," what he called the amphetamine subculture: "We'd be up all night."
• "Recent shortages of Adderall XR and its generic equivalents, also known as amphetamine mixed salts, as well as of methylphenidate, a generic version of the brand-name drug Ritalin, have been reported in Pennsylvania, Maryland, Minnesota, Washington state and elsewhere."