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.
/mɪˈfɛprɪˌstəʊn/
noun
1.
an antiprogestogenic steroid, used in the medical termination of pregnancy. Formula: C29H35NO2
mifepristone mi·fep·ri·stone (mĭ-fěp’rĭ-stōn)
n.
RU 486.
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