[{"word":"worldline","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A path in spacetime, especially that traversed by an elementary particle from its creation to its destruction","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/world%20line","https://en.wiktionary.org/wiki/worldline"]}]