Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
might-have-been
might’ve
mightily
mightn’t
mighty
migmatite
mignon
mignonette
migraine
migrant
migrate
migration
migration corridor
migratory
mihrab
mikado
Mikasuki
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

mifepristone

mi·fep·ri·stone [ mi fépprə stn ]


noun 
Definition:
 
abortion drug: a drug that blocks the hormone progesterone, which is essential for maintaining pregnancy. Use: fetus abortion in the first few weeks after conception.

[Late 20th century. Contraction of aminophenyl + propyne + estradione (elements of the drug's chemical name) + -one]
Advertisement

© 2009 Microsoft