[{"word":"billionth","phonetic":"/ˈbɪl.i.ənθ/","phonetics":[{"text":"/ˈbɪl.i.ənθ/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/billionth-uk.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=89034963","license":{"name":"BY-SA 4.0","url":"https://creativecommons.org/licenses/by-sa/4.0"}}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The person or thing in the billionth position.","synonyms":[],"antonyms":[]},{"definition":"One of a billion equal parts of a whole.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"The ordinal form of the number one billion.","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/billionth"]}]