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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 ?
Biomedical###Gastointestinal###- Diabetic gastro parest
The full protection reserves are the private reserves of Natural patrimony, better known as RPPN, the biological reserve (Rebio) and state parks (PAREST).
Tipo Nome Area total Desflorestamento ([km.sup.2]) ([km.sup.2]) % Estadual APA Caverna do 4.090,69 352,65 8,62 Maroaga Estadual APA Aturia- 5.684,51 134,18 2,36 Apuauzinho Estadual APA Taruma-Agu/ 559,36 99,90 17,86 Taruma-Mirim Federal T,I, Waimiri- 26.762,59 83,46 0,31 Atroari Estadual PAREST do Rio 1.555,03 21,88 1,41 Negro Federal APA Caracarai 868,07 15,70 1,81 Federal A,R,I,E Projeto 31,80 6,71 21,11 Dinamico Biologico de Fragmentos Florestais Federal RDS do Uatuma 9.383,80 1,90 0,02 Federal APA Flona Anaua 2.594,11 0,25 0,01 Federal PARNA Virua 2.149,53 0,11 0,01 Estadual Floresta Estadual 270,52 0,01 0,01 do Rio Urubu Tabela 2--Desflorestamento em assentamentos rurais ao longo da BR-174 (Manaus-Boa Vista).