Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

RU-486


RU–486

noun
\ˌär-(ˌ)yü-ˌfō(ə)r-ˌāt-ē-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