[{"word":"hyponatremia","phonetic":"/ˌhʌɪ.pəʊ.nəˈtɹiː.mi.ə/","phonetics":[{"text":"/ˌhʌɪ.pəʊ.nəˈtɹiː.mi.ə/","audio":""},{"text":"/ˌhaɪ.poʊˌneɪˈtɹiː.mi.ə/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An abnormally low concentration of sodium (or salt) in blood plasma.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":["hypernatremia"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/hyponatremia"]}]