point source

1. 1.

   a concentrated source (especially of radiation or pollution) that is spatially constricted

   Broaderbeginning

Questions about point source

What does point source mean?

point source means "a concentrated source (especially of radiation or pollution) that is spatially constricted".

Is point source a common word?

point source is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.