Placidyl
Plac i dyl |ˈplasidil ˈplæsədl | ▶noun trademark a short-acting sedative and hypnotic drug used to treat insomnia.
Placidyl |ˈplasɪdɪl | ▶noun [ mass noun ] N. Amer. trademark a short-acting sedative and hypnotic drug used to treat insomnia. ●Alternative name: ethchlorvynol.