RU 486

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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:
abortion pill, mifepristone
• Usage Domain:
trademark
• Hypernyms:
abortifacient, aborticide, abortion-inducing drug