[{"word":"radon","phonetic":"/ˈɹeɪdɒn/","phonetics":[{"text":"/ˈɹeɪdɒn/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.","synonyms":[],"antonyms":[]}],"synonyms":["emanation","exradio","niton"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/radon"]}]