RU 486 (är'y&oomacr; fôr'ā-tē-sĭks')
n.
A drug that chemically terminates a pregnancy.
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a stew of meat, vegetables, potatoes, etc. |
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. |