Origin of RU 486
First recorded in 1980; designation given the compound by its French manufacturer, Roussel UCLAF, Paris
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Words for ru 486mifepristone
RU 486(är′yōō fôr′ā-tē-sĭks′)
- A drug that chemically terminates a pregnancy.mifepristone
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.