RU-486
RU-486
noun \ˈär-ˌyü-ˌfȯr-ˌā-tē-ˈsiks\Definition of RU-486
: a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone —called also mifepristone
Origin of RU-486
Roussel-UCLAF, the drug's French manufacturer + 486, laboratory serial number
First Known Use: 1983
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