Medical Dictionary

ballism

noun bal·lism \ˈbal-ˌiz-əm\
plural bal·lisms or bal·lis·mus·es

Medical Definition of BALLISM

:  the abnormal swinging jerking movements sometimes seen in chorea

Variants of BALLISM

bal·lism or bal·lis·mus \bə-ˈliz-məs\

Browse

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