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mifepristone

[ mif-uh-pris-tohn ]
/ ˌmɪf əˈprɪs toʊn /
SEE MORE SYNONYMS FOR mifepristone ON THESAURUS.COM

noun

an antigestational drug, C29H35NO2, that prevents a fertilized egg from attaching to the uterine wall by blocking the action of progesterone.

Nearby words

  1. mieres,
  2. mies van der rohe,
  3. mies van der rohe, ludwig,
  4. miescher,
  5. miescher's granulomatosis,
  6. miff,
  7. miffed,
  8. mifflin,
  9. mifflin, thomas,
  10. miffy

Origin of mifepristone

1985–90; probably alteration of (a)mi(no)phe(nol) + pr(opyl) + est(radiol) + -one
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for mifepristone

mifepristone

/ (mɪˈfɛprɪˌstəʊn) /

noun

an antiprogestogenic steroid, used in the medical termination of pregnancy. Formula: C 29 H 35 NO 2

Word Origin for mifepristone

C20: from a mi no phe nol + pr opyne + oest radiol + -one
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for mifepristone

mifepristone

[ mĭ-fĕp′rĭ-stōn ]

n.

RU 486
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.