mif·e·pris·tone /ˌmɪfəˈprɪsˌton/
mi·fep·ris·tone /ˌmɪfəˈprɪsˌton, mɪˈfɛprɪˌston/ 名詞
Mifepristone
n : an abortion-inducing drug (trade name Mifepristone)
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: abortion
pill, RU 486]