| riston | |
| wriston | |
| christon |
| abortion pill | (n) an abortion-inducing drug (trade name RU_486) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo, Syn. mifepristone, RU 486 |
| Myristone | n. [ Myristic + -one. ] (Chem.) The ketone of myristic acid, obtained as a white crystalline substance. [ 1913 Webster ] |
| RU486 | [アールユーよんはちろく, a-ruyu-yonhachiroku] (n) (See ミフェプリストン) RU-486 (trademarked development name of mifepristone); RU 486 [Add to Longdo] |
| ミフェプリストン | [mifepurisuton] (n) mifepristone (abortifacient steroid developed under the name RU-486) [Add to Longdo] |