Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
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.]


(Pharmacology) a nonbarbituate sedative drug used to treat stress and insomnia. Formula: C16H14N2O. US proprietary name: Quaalude


(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]
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


n metacualona
References in periodicals archive ?
It was alleged that a passenger, Suresh Kumar Nagarajan, who was departing to Kuala Lumpur by the Malaysia Airlines was stopped at the Baggage Screen Machine (BSM) over some suspicious psychotropic substance which was later identified as Methaqualone.
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.
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.
250 kg of extremely fine quality methaqualone, with estimated value of Rs 2 crore in the international market.
A 12-month urinalysis was also conducted to test for eight categories of drugs including amphetamines, barbiturates, benzodiazepines, cannabinoids, cocaine metabolite, methaqualone, opiates, and phencyclidine.
The medications mentioned prominently in 1976 included among others, Flurazepam, triazolam, chloral hydrate, amylobarbitone, methaqualone, glutethimide, pentobarbital, methyprylone, secobarbital, tryptophan, meprobamate, and the old standby, diphenhydramine.
The most common CPT Code (80101) for drug urinalysis screening tests for amphetamines, barbiturates, benzodiazepines, cocaine (and metabolites), marijuana metabolites, opiates, phencyclidine, and methaqualone.
Methaqualone or any mixture containing methaqualone is a controlled substance.
In medicinal chemistry 2,3-disubstituted 3H- quinazolin-4-one moiety 1 is a widely researched scaffold and is present in many biologically active compounds such as methaqualone, chloroqualone, and piriqualone [17-19].
Marijuana is still illegal on the federal level, classified as a Schedule I controlled substance alongside heroin, lysergic acid diethylamide, or LSD, methaqualone, and other drugs banned under the Controlled Substances Act of 1970.