Examples of RU-486 in a Sentence

Recent Examples on the Web Much of the donation was earmarked for advocacy on behalf of mifepristone, also known as RU-486, which terminates pregnancies by blocking the hormone progesterone and is often taken with the drug misoprostol. Harrison Smith, Washington Post, 28 June 2023 His idea came to fruition in 1980, when a French drug company created mifepristone, then called RU-486. The Week Staff, The Week, 7 May 2023 In September 1988, the French authorities approved RU-486. Pam Belluck, New York Times, 17 Jan. 2023 During the 1980s and '90s, the U.S. banned the importation or manufacture of RU-486. The Week Staff, The Week, 7 May 2023 But the fight to bring the drug to America began after the FDA banned the import of RU-486 in June 1989, due, in part, to pressure from conservative lawmakers. Timothy Bella, Washington Post, 8 Apr. 2023 The agency’s 2000 approval of mifepristone, also known as RU-486, was controversial at the time and came after years of public debate over the drug, which had already been approved and in use in Europe. Jenny Jarvie, Los Angeles Times, 7 Apr. 2023 Étienne-Émile Baulieu, the primary developer of RU-486, which is better known as mifepristone, was even more hopeful. Sue Halpern, The New Yorker, 9 Mar. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'RU-486.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Roussel-UCLAF, the drug's French manufacturer + 486, laboratory serial number

First Known Use

1982, in the meaning defined above

Time Traveler
The first known use of RU-486 was in 1982

Dictionary Entries Near RU-486

Cite this Entry

“RU-486.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/RU-486. Accessed 14 Jun. 2024.

Medical Definition

More from Merriam-Webster on RU-486

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!