Medical Dictionary

hyperemesis

noun hy·per·eme·sis \-ˈem-ə-səs, -i-ˈmē-\
plural hy·per·eme·ses \-ˌsēz\

Medical Definition of HYPEREMESIS

:  excessive vomiting

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