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mifepristone

[mif-uh-pris-tohn] /ˌmɪf əˈprɪs toʊn/
noun
1.
an antigestational drug, C 29 H 35 NO 2 , that prevents a fertilized egg from attaching to the uterine wall by blocking the action of progesterone.
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 Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for mifepristone

mifepristone

/mɪˈfɛprɪˌstəʊn/
noun
1.
an antiprogestogenic steroid, used in the medical termination of pregnancy. Formula: C29H35NO2
Word Origin
C20: from aminophenol + propyne + oestradiol + -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
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mifepristone in Medicine

mifepristone mi·fep·ri·stone (mĭ-fěp'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.
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