[{"word":"tufa","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Calcareous lime deposited by precipitation from a body of water, such as a hot spring.","synonyms":[],"antonyms":[]},{"definition":"A variety of volcanic rock, tuff.","synonyms":["tuff"],"antonyms":[]}],"synonyms":["tuff"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/tufa"]}]