Search Result for "hyponatremia": 
Wordnet 3.0

NOUN (1)

1. abnormally low level of sodium in the blood; associated with dehydration; 



WordNet (r) 3.0 (2006):

hyponatremia
    n 1: abnormally low level of sodium in the blood; associated
         with dehydration [ant: hypernatremia]