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methaqualone Line breaks: meth|aqua|lone
Pronunciation: /mɛˈθakwələʊn/

Definition of methaqualone in English:


[mass noun] trademark
A sedative and sleep-inducing drug. Also called Quaalude ( trademark).
Example sentences
  • Drugs for which subjects were tested included cocaine, opiates, marijuana, phencyclidine, benzodiazepines, methaqualone, methadone, propoxyphene, barbiturates, and amphetamines.
  • The variation in court understanding has affected drugs such as buprenorphine and methaqualone, and most notoriously ecstasy type drugs.
  • The laboratories had the highest concordance in testing for methadone (fifteen positive cases), methaqualone (zero positive cases) and PCP (six positive cases).


1960s: from elements of its chemical name meth- + -a- + qu(inine) + a(zo- + -o)l + -one.

Definition of methaqualone in:
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