| mifepristone. Also, RU-486. |

RU 486 (är'y&oomacr; fôr'ā-tē-sĭks')
n.
A drug that chemically terminates a pregnancy.
RU 486 (är'y fôr'ā-tē-sĭks') Pronunciation Key
An oral drug that terminates early pregnancy by interfering with the action of progesterone, thereby preventing the attachment of a fertilized ovum to the uterine wall. |
| RU-486 Roussel-Uclaf-486 (mifepristone) |