from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An abnormally high plasma concentration of sodium ions.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An abnormally high concentration of sodium (or salt) in blood plasma.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. excessive amounts of sodium in the blood; possibly indicating diabetes insipidus
hypo- + New Latin natrium, sodium (from French natron, natron; see natron) + -emia.(American Heritage® Dictionary of the English Language, Fourth Edition)