point source


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point source

n.
A source, especially of pollution or radiation, occupying a very small area and having a concentrated output.

point source

n
(General Physics) optics a source of light or other radiation that can be considered to have negligible dimensions

point′ source`


n.
a source of radiation sufficiently distant compared to its length and width that it can be considered as a point.
[1900–05]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.point source - a concentrated source (especially of radiation or pollution) that is spatially constricted
origin, source, root, rootage, beginning - the place where something begins, where it springs into being; "the Italian beginning of the Renaissance"; "Jupiter was the origin of the radiation"; "Pittsburgh is the source of the Ohio River"; "communism's Russian root"
Translations

point source

n (Phys) → Punktquelle f, → punktförmige Lichtquelle
References in periodicals archive ?
Permitted point sources will be required to meet their permit requirements by one of the following options:
2011) can only be applied to 2D muffler elements, and the original point source model (Kim and Soedel, 1989) can only be applied to 1D mufflers.
The only correction factors that apply to these measurements are those due to geometrical differences between the point source calibration and the NORM sample measurement geometries, including self-attenuation.
discharge from a point source to navigable water may be regulated under
In doing so, however, the Agency appears to have assumed that owners and developers of property are already regulated as point sources.
Doe Run's smelter in Herculaneum may be the nation's largest point source for air lead emissions, but it's not the only one.
The previous example is one of a point source trading with another point source (one POTW with another POTW).
Although these techniques are quite varied, their commonality lies with researchers focusing on the surface to be illuminated and attempting to add more detail to specific locales than would be present in a rendering using one point source of illumination.
Built-in reflectors and/or lenses combine the output to create what appears as a point source, even as close as 10 in.
workers located the point source of the leak, and closed the valve, stopping the flow of oil.
The owner of each NPDES permitted point source would have to pay an annual fee.