We found 2 definitions of mifepristone from 2 different sources.
Noun |
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mifepristone - 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 | ||
abortion pill, RU 486 | ||
abortifacient, abortion-inducing drug, aborticide a drug (or other chemical agent) that causes abortion |