[{"word":"tonicity","phonetic":"/təˈnɪsɪti/","phonetics":[{"text":"/təˈnɪsɪti/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The normal presence of tone or tension in a muscle or organ; tonus","synonyms":[],"antonyms":[]},{"definition":"The ability of a solution to exert an osmotic pressure upon a membrane","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/tonicity"]}]