point source

nounPhysics, Optics.
  1. a source of radiation sufficiently distant compared to its length and width that it can be considered as a point.

Origin of point source

First recorded in 1900–05

Words Nearby point source

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How to use point source in a sentence

British Dictionary definitions for point source

point source

  1. optics a source of light or other radiation that can be considered to have negligible dimensions

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