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. 2021

Example sentences from the Web for worldline

The world that Black Dynamite lives in is not the most PC place to be in.
‘Black Dynamite’ Presents Police Brutality: The Musical|Stereo Williams|January 9, 2015|DAILY BEAST
Have a look at this telling research from Pew on blasphemy and apostasy laws around the world.
In Defense of Blasphemy|Michael Tomasky|January 9, 2015|DAILY BEAST
Allegations of transphobia are not new in the world of gay online dating.
Grindr’s Trans Dating Problem|David Levesley|January 9, 2015|DAILY BEAST
Domestically, the prime minister maintains the dubious line that he is the only man who can keep the still-fragile peace.
Cambodia’s Smoke-and-Mirrors Democracy|David Shaftel|January 9, 2015|DAILY BEAST

People watch night soaps because the genre allows them to believe in a world where people just react off their baser instincts.
‘Empire’ Review: Hip-Hop Musical Chairs with an Insane Soap Opera Twist|Judnick Mayard|January 8, 2015|DAILY BEAST
Descending the Alps to the east or south into Piedmont, a new world lies around and before you.
Glances at Europe|Horace Greeley
All over the world the just claims of organized labor are intermingled with the underground conspiracy of social revolution.
The Unsolved Riddle of Social Justice|Stephen Leacock
There seems something in that also which I could spare only very reluctantly from a new Bible in the world.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
That it is a reasonable and proper thing to ask our statesmen and politicians: what is going to happen to the world?
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
In this position, the line of cavalry formed the chord of the arc described by the river, and occupied by us.
Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV.|Various

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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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