point source

Noun

 * 1)  a source of pollution, radiation, waves, fluid or other substance that has one specific location (and negligible physical extent, distinguishing a point source from other source geometries). In simulations they can often be approximated using mathematical point sources.
 * 2)  the abstract concept of a singularity emitting a flux or flow. A source with infinitesimal dimensions in space.

Translations

 * German: (1)