point sourcepoint source
A source, especially of pollution or radiation, occupying a very small area and having a concentrated output.
(plural point sources)
- (sciences) a source of pollution, radiation, waves, fluid or other substance that has one specific location (negligible physical extent, distinguishing a point source from other source geometries). In simulations they can often be approximated using mathematical point sources.
- (mathematics) the abstract concept of a singularity emitting a flux or flow. A source with infinitesimal dimensions in space.