methaqualone[met̸h ak′wə lōn′]
a white, crystalline powder, CHNO, used in the form of its hydrochloride salt as a sedative and hypnotic
Origin of methaqualonemeth(o)- + -a- + qu(in)a(zo)lone
A potentially habit-forming drug, C16H14N2O, formerly used as a sedative and hypnotic.
Origin of methaqualonemeth(yl) + qu(in)a(zo)l(inon), a derivative of quinoline + –one.