misoprostol
/mʌɪsə(ʊ)ˈprɒstɒl/Pharmacology
noun
A synthetic analogue of prostaglandin E1, used to treat peptic ulcer disease and to induce labour; (±)-15-deoxy-(16RS)-16-hydroxy-16-methyl-PGE1 methyl ester, C22H38O5.
Origin
1980s; earliest use found in Approved Names 1981. From m + iso- + prost- + -ol.