[ plas-i-dil, plah-si- ]
/ ˈplæs ɪ dɪl, ˈplɑ sɪ- /
a brand of ethchlorvynol.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for placidyl
Elvis also had the painkillers morphine and Demerol; tranquilizers Placidyl and Valium; and Chlorpheniramine, an antihistamine.