[{"word":"bentonite","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Any of several impure clay minerals consisting mostly of montmorillonite.","synonyms":[],"antonyms":[]},{"definition":"A porous clay formed by the decomposition of volcanic ash that swells 5 to 6 times its original volume in the presence of water.","synonyms":[],"antonyms":[]}],"synonyms":["E558","anti-caking agent"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/bentonite"]}]