[{"word":"gravitons","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A hypothetical gauge boson that regulates the gravitational force. It would have a spin of 2 and zero rest mass.","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/graviton","https://en.wiktionary.org/wiki/gravitons"]}]