Submitted by György Chityil ... on Sat, 01/20/2018 - 01:24 Hierarchy: NounDescription: {{physics}} A path in spacetime, especially that traversed by an elementary particle from its creation to its destructionNgram: world lineNgram Text: world lineSource: WiktionaryIssue: 0Wiktionary tag: physicsNgram Count: 2
