natriuretic

noun

1. excretion of sodium in the urine.

adj.

1. Relating to or characterized by natriuresis.

n.

1. A chemical compound that may be used to inhibit the tubular reabsorption of ions from glomerular filtrate, especially sodium ions, thereby resulting in greater amounts of that ion in the urine.

n.

1. Excretion of excessive amounts of sodium in the urine.