[{"word":"limestones","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An abundant rock of marine and fresh-water sediments; primarily composed of calcite (CaCO3); it occurs in a variety of forms, both crystalline and amorphous.","synonyms":[],"antonyms":[]}],"synonyms":["calcium carbonate","lime"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/limestone","https://en.wiktionary.org/wiki/limestones"]}]