11 letters · 11 points in Scrabble
noun the presence of abnormally large amounts of sodium in the urine
originFrom international scientific vocabulary, from New Latin, from natr- + -i- + -uresis; those combining forms are ultimately from New Latin natrium (“sodium”) + Ancient Greek οὔρησις (oúrēsis, “a making water”).
Etymology from Wiktionary, CC BY-SA 3.0