POINT SOURCE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does point source mean? 

• POINT SOURCE (noun)
  The noun POINT SOURCE has 1 sense:

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

  Familiarity information: POINT SOURCE used as a noun is very rare.

 Dictionary entry details 

• POINT SOURCE (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting spatial position

Hypernyms ("point source" is a kind of...):

beginning; origin; root; rootage; source (the place where something begins, where it springs into being)

 Context examples 

A SI derived unit of illuminance equal to the direct illumination on a surface that is everywhere one meter from a uniform point source of one candela; a unit of illuminance that is equal to one lumen per square meter.

(Lux, NCI Thesaurus)