natriuresis natrium • natriuretic · · · Info · Definitions · Characters · · natriuresis · · Text Latin · · Script 11 · · Length 5 · · Syllables Definitions · · · (noun) the presence of abnormally large amounts of sodium in the urine. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075