First Known Use: 1983
Dictionary
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
ADVERTISEMENT
Origin of RU-486
Roussel-UCLAF, the drug's French manufacturer + 486, laboratory serial number
Medical Dictionary
RU–486
noun \ˌär-(ˌ)yü-ˌfō(ə)r-ˌāt-ē-ˈsiks\
Medical 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
Learn More About RU–486
Browse
ADVERTISEMENT
Seen & Heard
What made you want to look up RU-486? Please tell us where you read or heard it (including the quote, if possible).