mifepristone

noun

mi·​fep·​ris·​tone ˌmi-fə-ˈpri-ˌstōn How to pronounce mifepristone (audio)
mi-ˈfe-pri-ˌstōn
: a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone

called also RU-486

Examples of mifepristone in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And one point of debate is mifepristone, a drug that’s commonly administered to induce abortions during the early stages of a pregnancy. Alex Knapp, Forbes, 25 Oct. 2024 In June, the Supreme Court unanimously upheld access to mifepristone, a key drug used with misoprostol for medication abortions. Sandra Rose Salathe, Flow Space, 23 Oct. 2024 Earlier this year, the U.S. Supreme Court unanimously preserved access to the drug, mifepristone, while finding that a group of antiabortion doctors and organizations did not have the legal right to challenge the 2000 federal approval of the drug. Geoff Mulvihill, Los Angeles Times, 22 Oct. 2024 Earlier this year, the Supreme Court rejected efforts to restrict access to mifepristone, the generic version of Mifeprex. Sydney Lake, Fortune, 9 Oct. 2024 See all Example Sentences for mifepristone 

Word History

Etymology

perhaps from amino + fe- (alteration of phen-) + pri- (alteration of prop-) + estradiol + -one

First Known Use

1985, in the meaning defined above

Time Traveler
The first known use of mifepristone was in 1985

Dictionary Entries Near mifepristone

Cite this Entry

“Mifepristone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mifepristone. Accessed 24 Nov. 2024.

Medical Definition

mifepristone

noun
mi·​fep·​ris·​tone ˌmi-fə-ˈpris-ˌtōn How to pronounce mifepristone (audio) mi-ˈfep-ri-ˌstōn How to pronounce mifepristone (audio)
: a drug C29H35NO2 taken orally to induce abortion especially early in pregnancy by blocking the body's use of progesterone

called also RU-486

More from Merriam-Webster on mifepristone

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