onapristone

== English == === Etymology === From ona- (of unknown origin) +‎ (mife)pristone. === Pronunciation === (General American) IPA(key): /ˌoʊ.nəˈpɹɪˌstoʊn/ === Noun === onapristone (uncountable) (pharmacology) A synthetic antiprogestogen used to combat prostate cancer. === Anagrams === personation