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/ˌhʌɪ.pəʊ.nəˈtɹiː.mi.ə/ · noun
(medicine) An abnormally low concentration of sodium in blood plasma..
Use hyponatremia when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Hyponatremia means (medicine) An abnormally low concentration of sodium in blood plasma..
The closest synonym depends on the sentence and intended sense.
Possible antonyms include eunatremia, hypernatraemia, hypernatremia.
Use hyponatremia where its definition matches the intended context.
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