a line on a space–time path that shows the path of a body
Examples of 'world-line' in a sentence
world-line
World-sheet and world-line, but not spacetime, supersymmetry underpin the model.
James P. Edwards, Paul Mansfield 2015, 'QED as the tensionless limit of the spinning string with contact interaction', Physics Letters Bhttp://www.sciencedirect.com/science/article/pii/S0370269315003615. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)