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Related to methaqualone: Benzodiazepines


A potentially habit-forming drug, C16H14N2O, formerly used as a sedative and hypnotic.

[meth(yl) + qu(in)a(zo)l(inon), a derivative of quinoline + -one.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Pharmacology) a nonbarbituate sedative drug used to treat stress and insomnia. Formula: C16H14N2O. US proprietary name: Quaalude
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(məˈθæk wəˌloʊn, ˌmɛθ əˈkweɪ loʊn, -ˈkwɒl oʊn)

a nonbarbiturate sedative-hypnotic substance, C16H14N2O, used to induce sleep.
[1960–65; meth (yl) + -a- + qu(in)a(zo)l(in)one=quinazoline (< German Chinazolin, alter. of Chinolin quinoline) + -one]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.methaqualone - sedative-hypnotic drug (trade name Quaalude) that is a drug of abuse
sedative-hypnotic, sedative-hypnotic drug - a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n metacualona
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
The list of psychotropic substances and precursors to be controlled coprises 61 drugs, including synthetic cannabinoids, aminorex, methaqualone, parahexyl, etc.
During the 1950s and 1960s, a plethora of new psychoactive substances were registered to treat conditions such as anxiety and depression, including antipsychotics such as chlorpromazine, antidepressant (imipramine), and a range of sedative-hypnotics such as ethchlorvynol, chlormethiazole, meprobamate, methaqualone, and glutethimide.
For instance, with methaqualone (Quaaludes), many labs still charge insurance for this test, but positive test results are exceptionally rare.
These con men have graduated into international crime with Kenya a hotspot for illicit trade people, minerals, drugs, animal trophies, arms and goods in transit.According to the Central Intelligence Agency, Kenya is a transit country for heroin from South Asia destined for Europe and North America, Indian sedative methaqualone en route to South Africa and other narcotics-associated activities.
Drug Enforcement Administration, "Schedule I drugs, substances or chemicals ( are defined as drugs with no currently accepted medical use and a high potential for abuse." Examples are: heroin, lysergic acid diethylamide (LSD), marijuana (cannabis), 3,4-methylenedioxymethamphetamine (ecstasy), methaqualone and peyote.
The frequency of substances used, in order of declining frequency were as follows: cannabis (n = 18; 42.86%), methamphetamine (n = 9; 21.43%), alcohol (n = 7; 16.67%), methaqualone (n = 6; 14.29%) and inhalants (n = 1; 2.38%).
A detailed history of past or current substance use was obtained, including cannabis, MDMA (methylenedioxymethamphetamine), GHB (gamma-hydroxybutyrate), crystal methamphetamine, cocaine, CAT (methcathinone), liquid MDMA (liquid E), heroin and methaqualone. The mode of substance use administration was recorded as oral, sniffing/insufflation, injection, smoking or rectal, and the quantity of alcohol consumed (g/d) was also documented.
The analytical technique also identified metabolites such as cocaine, diazepam, and methaqualone, which are not included in the target analysis [62].
Chemicals used to manufacture methamphetamine and methaqualone arrive primarily from Asia (including India and China) and Nigeria.
In an application seeking Dudani's judicial remand, DRI said the movie producer 'conceived the idea of manufacturing Methaqualone following a string of meetings with L.K.
[9] Methaqualone (Mandrax) is also widely used, and although there is some indication that its use has declined in recent years, SA still remains its largest user in the world.