Definition of "methamphetamine" []

• An amine derivative of amphetamine, C10H15N, used in the form of its crystalline hydrochloride as a central nervous system stimulant, both medically and illicitly. (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.

• "In the glove compartment, there was a-- what they described as a methamphetamine/marijuana pipe."
• "Clay County deputies have busted what they called a methamphetamine manufacturing operation found inside a Middleburg home on Friday night."
• "While many are calling for a renewed commitment to prevention efforts and free condoms, some veterans of the war on AIDS are advocating an entirely new approach to the spread of unsafe sex, much of which is fueled by a surge in methamphetamine abuse."