[[t]ˌmɪf əˈprɪs toʊn[/t]] n.
pha an antigestational drug that prevents a fertilized egg from attaching to the uterine wall by blocking the action of progesterone
Etymology: 1985–90; prob. alter. of (a)mi(no)phe(nol) +pr(opyl) +est(radiol) +-one

From formal English to slang. 2014.

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  • Mifepristone — Strukturformel Allgemeines Freiname Mifepriston Andere Namen 17β Hydroxy 11β (4 dimeth …   Deutsch Wikipedia

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  • mifepristone — noun Etymology: perhaps from International Scientific Vocabulary amino + fe (alteration of phen ) + pri (alteration of prop ) + estradiol + one Date: 1985 RU 486 …   New Collegiate Dictionary

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  • Mifepristone — The French abortion pill, also known as RU 486. RU 486 has been used in combination with another drug called misoprostol, terminate pregnancy at an early stage. It is used with women who are no more than 7 weeks pregnant. The drug has 95%… …   Medical dictionary

  • mifepristone — [ˌmɪfɛ prɪstəʊn] noun Medicine a synthetic steroid that inhibits the action of progesterone, given orally in early pregnancy to induce abortion. Origin 1980s: prob. from Du. mifepriston, from mife (representing aminophenol) + pr (representing… …   English new terms dictionary

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