from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Excretion of excessive amounts of sodium in the urine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The presence of (excessive) sodium salts in the urine
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the presence of abnormally large 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).(American Heritage® Dictionary of the English Language, Fourth Edition)
, ,  Administration of sodium should be started after the onset of postnatal diuresis and natriuresis from the second or third day after birth, or when weight loss of at least 6% of birth weight has been achieved.