ˈärˌyüˌfōrˌād.ēˈsiks, -ˌfȯr- noun
Etymology: R oussel- U CLAnglo-French, the drug's French manufacturer + 486 , laboratory serial number
: 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