[{"word":"buckyball","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A buckminsterfullerene molecule (C60).","synonyms":[],"antonyms":[]},{"definition":"(by extension) The most common types of spheroidal fullerenes, C60 and C70 usually, with additionally C72 and C76 also included at times.","synonyms":[],"antonyms":[]},{"definition":"(by extension) Any spheroidal fullerene, from C20 on upwards.","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/buckyball"]}]