Medical Dictionary

deficit

noun de·fi·cit
\ˈdef-(ə-)sət; British also di-ˈfis-ət, ˈdē-fə-sət\

Medical Definition of DEFICIT

:  a deficiency of a substance <a potassium deficit>; also :  a lack or impairment of a functional capacity <cognitive deficits>
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears