Hyponatremia

//ˌhʌɪ.pəʊ.nəˈtɹiː.mi.ə// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
An abnormally low concentration of sodium in blood plasma. countable, uncountable
2
abnormally low level of sodium in the blood; associated with dehydration wordnet

Antonyms

eunatremia hypernatraemia hypernatremia

Etymology

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

Related phrases

dilutional hyponatremia

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.