# hyponatremia

> English word · Noun · IPA /ˌhʌɪ.pəʊ.nəˈtɹiː.mi.ə/ · frequency rank #88,442

## Definitions
1. An abnormally low concentration of sodium in blood plasma.

## Etymology
From hypo- + natremia or hypo- + natr- + -emia.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/hyponatremia