RU486

Variant of RU-486

RU-486 definition

RU-486 (är′yo̵̅o̅′fôr′āt′ē siks′)

noun

a steroid drug, CHNO, used orally primarily to terminate pregnancy at the earliest stage by blocking the reception of progesterone
also written RU486 or RU 486

Etymology: < R(oussel) U(CLAF), the manufacturer

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.