misoprostol
nounUK /mʌɪ.sə(ʊ)ˈpɹɒs.tɒl/ · US /ˌmaɪ.soʊˈpɹɑˌstɔl/
Etymology From m(ethyl) + iso- + -prost- (“prostaglandin”) + -ol.
1
Medicine, Pharmacology, Sciences A drug used for various purposes including the prevention of drug-induced gastric ulcers and the inducement of abortions, having the chemical formula C₂₂H₃₈O₅.