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RU-486

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noun \ˈär-ˌyü-ˌfȯr-ˌā-tē-ˈsiks\

Definition of RU-486

  1. :  a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone —called also mifepristone



Origin and Etymology of ru-486

Roussel-UCLAF, the drug's French manufacturer + 486, laboratory serial number


First Known Use: 1983


Learn More about ru-486

  1. Medical Dictionary: Definition of RU-486 Britannica.com: Encyclopedia article about RU-486


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