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RU486

Variant of RU-486

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

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

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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