1) Of or relating to natriuresis 2) Symptom 
The discharge of sodium through urine is known as `natriuresis`. Natriuretic can refer to: ...
Substance increasing the rate of excretion of sodium ion in the urine.
<endocrinology> Of a substance or hormone, causing natriuresis (elimination of extra sodium in the urine). ... See: atrial natriuretic peptide. ... (18 Nov 1997) ... 
(na″tre-u-ret´ik) pertaining to natriuresis. promoting natriuresis. an agent that so acts.
Of a substance or hormone, causing natriuresis (elimination of extra sodium in the urine). See atrial natriuretic peptide.
Type: Term Pronunciation: nā′trē-yū-ret′ik Definitions: 1. Pertaining to or characterized by natriuresis. 2. A substance that increases urinary excretion of sodium, usually as a result of decreased tubular reabsorption of sodium ions from glomerular filtrate.
Natriuretic: Causing natriuresis, the excretion of an excessively large amount of sodium in the urine. A hybrid of the Latin natrium = sodium and the Greek ouresis = a making water.
(na;tru1-yoo-ret;ik) An agent that promotes the excretion of sodium in the urine. Atrial natriuretic hormone has this effect.
[adj] - of or relating to natriuresis
adjective of or relating to natriuresis