point source
noun
1
: a source of radiation (such as light) that is concentrated at a point and considered as having no spatial extension
2
: an identifiable confined source (such as a smokestack or wastewater treatment plant) from which a pollutant is discharged or emitted
Examples of point source in a Sentence
Recent Examples on the Web
The effort was the most comprehensive study to-date of point sources of methane emissions from the waste sector, the authors write.
—
Will Sullivan, Smithsonian Magazine, 3 Apr. 2024
Many of the farms and point sources are downstream of the lake, Robertson said, so efforts need to go even further to reduce phosphorus levels.
—Caitlin Looby, Journal Sentinel, 31 Jan. 2024
While the Clean Water Act sets limits for pollutants from point sources, phosphorus and nitrogen are not included in those regulations, and the laws do not even include nonpoint sources, which account for more than 80% of phosphorus in Wisconsin waters.
—Caitlin Looby, Journal Sentinel, 31 Jan. 2024
The new collaboration aims to track both specific point sources of methane emissions and broader dispersed sources, as well as emission rates and how emissions of the gas are changing over time.
—Will Sullivan, Smithsonian Magazine, 20 Feb. 2024
Talks with Atlanta over Dejounte Murray, which at one point sources believed to be at least kind of close, stalled over the Lakers’ refusal to include Austin Reaves.
—Dan Woike, Los Angeles Times, 8 Feb. 2024
But even that precision is not quite enough to isolate point sources.
—Anna Kuchment, Scientific American, 1 Sep. 2021
Well, there is the artificial light that comes from say a skyscraper, considered to be a point source of such light, and there is the skyglow type of light, proffering a combined effect that muddles together the thousands upon thousands of point source lights.
—Lance Eliot, Forbes, 2 Jan. 2022
The plan acknowledges the Clean Water Act’s role in slowing and reducing point source pollution.
—Jake Frederico, The Arizona Republic, 19 June 2023
Will Sullivan, Smithsonian Magazine, 3 Apr. 2024
Many of the farms and point sources are downstream of the lake, Robertson said, so efforts need to go even further to reduce phosphorus levels.
—Caitlin Looby, Journal Sentinel, 31 Jan. 2024
While the Clean Water Act sets limits for pollutants from point sources, phosphorus and nitrogen are not included in those regulations, and the laws do not even include nonpoint sources, which account for more than 80% of phosphorus in Wisconsin waters.
—Caitlin Looby, Journal Sentinel, 31 Jan. 2024
The new collaboration aims to track both specific point sources of methane emissions and broader dispersed sources, as well as emission rates and how emissions of the gas are changing over time.
—Will Sullivan, Smithsonian Magazine, 20 Feb. 2024
Talks with Atlanta over Dejounte Murray, which at one point sources believed to be at least kind of close, stalled over the Lakers’ refusal to include Austin Reaves.
—Dan Woike, Los Angeles Times, 8 Feb. 2024
But even that precision is not quite enough to isolate point sources.
—Anna Kuchment, Scientific American, 1 Sep. 2021
Well, there is the artificial light that comes from say a skyscraper, considered to be a point source of such light, and there is the skyglow type of light, proffering a combined effect that muddles together the thousands upon thousands of point source lights.
—Lance Eliot, Forbes, 2 Jan. 2022
The plan acknowledges the Clean Water Act’s role in slowing and reducing point source pollution.
—Jake Frederico, The Arizona Republic, 19 June 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'point source.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Point source.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/point%20source. Accessed 24 Apr. 2024.
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