na·​tri·​ure·​sis ˌnā-trē-yu̇-ˈrē-səs How to pronounce natriuresis (audio)
: excessive loss of sodium in the urine
natriuretic adjective or noun

Word History


New Latin natrium "sodium" (from natr- —in French natron natron— + New Latin -ium -ium) + English -uresis (in diuresis, enuresis)

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of natriuresis was in 1957

Dictionary Entries Near natriuresis

Cite this Entry

“Natriuresis.” Dictionary, Merriam-Webster, Accessed 27 Sep. 2023.

Medical Definition


na·​tri·​ure·​sis ˌnā-trē-(y)ə-ˈrē-səs How to pronounce natriuresis (audio)
variants also natruresis
: excessive loss of cations and especially sodium in the urine
natriuretic adjective or noun
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