point source


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Related to point source: Nonpoint source

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 ?
The above-mentioned studies employed point source models to calculate the pressure response functions; however, these models might not be convergent for sound pressures at points near the point source.
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
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).
Some protection against point source water pollution claims arising can be offered by appropriate insurance cover, available through most public liability policies.
Preliminary calculations suggest that non-point source loads are at least an order of magnitude greater than point source loads and up to three orders of magnitude greater than loads from overflows and bypasses.
Built-in reflectors and/or lenses combine the output to create what appears as a point source, even as close as 10 in.
After the Clean Water Act went into effect, much of the attention to pollution focused on point source pollution.
A panel of specialists put model HP-35 through its paces with a practical engineering problem: collection solid angle from a point source.
workers located the point source of the leak, and closed the valve, stopping the flow of oil.
The proposal for Asian Development Bank (ADB) financing includes four project outputs: (i) increased municipal point source pollution control; (ii) enhanced non-point source (NPS) pollution control; (iii) improved institutional capacity of Chao Lake Management Authority (CLMA); and (iv) strengthened project management capacity.