na·tri·u·re·sis (nā'trə-yŏŏ-rē'sĭs) n. Excretion of excessive amounts of sodium in the urine.
[New Latin natriūrēsis : natrium, sodium (from French natron, natron; see natron) + ūrēsis, urination (from Greek ourēsis, from ourein, to urinate; see uretic).] na'tri·u·ret'ic (-rět'ĭk) adj.
Main Entry: na·tri·ure·sis Pronunciation: "nA-trE-(y)&-'rE-s&s Variant: alsona·tru·re·sis/-tr&-'rE-s&s/ Function: noun : excessive loss of cations and especially sodium in the urine —na·tri·uret·ic/-'ret-ik/adjective or noun