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.
A derivative of amphetamine, such as dextroamphetamine or a phosphate or sulfate of amphetamine.
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.