[{"word":"tachyon","phonetic":"/ˈtæki.ɒn/","phonetics":[{"text":"/ˈtæki.ɒn/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A hypothetical particle that travels faster than the speed of light.","synonyms":[],"antonyms":[]},{"definition":"A flaw in a physical theory that predicts the existence of tachyons or similar paradoxical results. Compare with ghost.","synonyms":[],"antonyms":[]}],"synonyms":["tachyonic particle"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/tachyon"]}]