worldline
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Physics.
(in relativity) the path of a particle in space-time.
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Origin of worldline
First recorded in 1915–20
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use worldline in a sentence
The world line of a ray of light is a geodesic in the continuum.
Astounding Stories, March, 1931|VariousThe time dimension and the world-line, he said sharply, excited in spite of himself.
Revolving in the time dimension means telescoping in the world-line.
British Dictionary definitions for worldline
world-line
noun
physics a line on a space–time path that shows the path of a body
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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