[{"word":"alveolus","phonetic":"/ælˈviələs/","phonetics":[{"text":"/ælˈviələs/","audio":""},{"text":"/ælˈviələs/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A small cavity or pit.","synonyms":[],"antonyms":[]},{"definition":"An anatomical structure that has the form of a hollow cavity, as:","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/alveolus"]}]