methamphetamine

methamphetamine

[meth-am-fet-uh-meen, -min]
noun Pharmacology.
a central nervous system stimulant, C 1 0 H 1 5 N, used clinically in the treatment of narcolepsy, hyperkinesia, and for blood pressure maintenance in hypotensive states: also widely used as an illicit drug.

Origin:
1945–50; meth- + amphetamine

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Collins
World English Dictionary
methamphetamine (ˌmɛθæmˈfɛtəmɪn)
 
n
a variety of amphetamine used for its stimulant action
 
[C20: from meth- + amphetamine]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

methamphetamine
1949, from meth(yl) + amphetamine (q.v.); so called because it was a methyl derivative of amphetamine.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
methamphetamine   (měth'ām-fět'ə-mēn', -mĭn)  Pronunciation Key 
An amine derivative of amphetamine, C10H15N, used in the form of its crystalline hydrochloride both as a central nervous system stimulant in the medical treatment of obesity and attention deficit hyperactivity disorder and illicitly as a recreational drug.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

methamphetamine

potent and addictive synthetic stimulant drug that affects the central nervous system (the spinal cord and brain). It was used widely for legal medical purposes throughout much of the 20th century. In the United States it was marketed under the brand names Methedrine and Desoxyn, and it was widely administered to industrial workers in Japan in the 1940s and '50s to increase their productivity.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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