Mifepristone

Noun

1.

Mifepristone - 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 Synonyms: abortion pill, RU 486

aborticide, abortifacient, abortion pill, abortion-inducing drug, brand, brand name, marque, RU 486, trade name