[{"word":"xi","phonetic":"/ksaɪ/","phonetics":[{"text":"/ksaɪ/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/xi-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=315902"}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek.","synonyms":[],"antonyms":[]},{"definition":"Either of a pair of hyperons having spin 1/2, which decay into a lambda particle and a pion.","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/xi"]}]