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:
This model assumes that the practical surface source can be projected into several point sources.
232]Th) point sources shielded by different materials in order to simulate a bulk spectrum and keep isotopic ratios similar to some of the measured NORM samples that are commercially available (i.
The CWA separates water pollution into two types: point sources and non-point sources.
In the event that a particular stream, lake, or estuary does not meet water quality standards, regulators have only one regulatory instrument available to achieve water quality standards: the NPDES permits on point sources.
In doing so, however, the Agency appears to have assumed that owners and developers of property are already regulated as point sources.
Meanwhile, the emergence of new nonattainment areas puts a spotlight on point sources, or identifiable sources of concentrated emissions, which--in the EPA's view--account for the dominant share of lead air risks in the United States today.
In Pennsylvania a point source (a source that has a defined discharge such as a municipal wastewater treatment facility) may trade with either other point sources or nonpoint sources (a source that does not have a defined discharge such as a farm field discharge).
Multiple point sources can be modeled defining L([omega]) as the sum of the contributions from several point sources.
A line of point-source RGB surface mount LED pixels appear as full-color point sources to the human eye, and are able to generate any mixture of the three primary colors.