world line

world line
noun
: the aggregate of all positions in space-time of any individual particle that retains its identity

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world line noun (physics)
A curving line in space-time representing the path of a particle during its existence
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Main Entry:world

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world line,
the path of an elementary particle through space and time: »

The strong gravitational field of the collapsing star bends the “world lines,” or space-time paths, of photons emitted by the star (Scientific American).

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n. Physics a curve in space-time joining the positions of a particle throughout its existence

Useful english dictionary. 2012.

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Look at other dictionaries:

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