Definition of "mifepristone" [mifepristone]

• RU 486. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Use of early medication abortion — which uses two drugs in lieu of surgery — rose from 161,000 procedures to 199,000 between 2005 and 2008; the proportion of all non-hospital abortions via early medication increased from 14% to 17%; 59% of all known abortion providers now offer the pills — RU-486, known as mifepristone, and misoprostol."
• "In addition, the medical reality of administering RU-486 (known as mifepristone in the United States and marketed under the name Mifeprex) has discouraged many doctors from offering it to patients."
• "Once again, it requires three visits to a doctor or a clinic on the first visit, you take three pills, mifepristone, that is what was FDA-approved today."