Pronunciation: ' är- ˌ yü- ˌ fo ̇ r- ˌ ā -t ē - ' siks
Function: noun
Etymology: R oussel- U CLAF, the drug's French manufacturer + 486, laboratory serial number
Date: 1983
: a drug C 29 H 35 NO 2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone ― called also mifepristone