polydipsia

English Thesaurus

1. excessive thirst (as in cases of diabetes or kidney dysfunction) (noun.state)

hypernym	:	thirst, thirstiness,
definition	:	a physiological need to drink (noun.state)

part meronym	:	diabetes,
definition	:	a polygenic disease characterized by abnormally high glucose levels in the blood; any of several metabolic disorders marked by excessive urination and persistent thirst (noun.state)