mifepristone

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noun mi·fep·ris·tone \ˌmi-fə-ˈpris-ˌtōn, mi-ˈfe-pri-ˌstōn\

Definition of mifepristone

  1. :  ru-486

Origin and Etymology of mifepristone

perhaps from International Scientific Vocabulary amino + fe- (alteration of phen-) + pri- (alteration of prop-) + estradiol + -one


First Known Use: 1985


Medical Dictionary

mifepristone

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noun mi·fep·ris·tone \ˌmi-fə-ˈpris-ˌtōn, mi-ˈfep-ri-ˌstōn\

Medical Definition of mifepristone

  1. :  a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone—called also RU-486


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