Definitions
from The Century Dictionary.
- noun A source of light or a source from which any system of waves emanates, the dimensions of which are so small that the waves may be regarded as emanating from a single point in space.
Etymologies
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Examples
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It has reduced point-source pollution and increased allocative efficiency, but monitoring and enforcements costs are the same or higher, dirty plants become more concentrated, market power can prevent entry of cleaner plants, and the whole system is controlled by corporations with an incentive to fraud, politically aided and abetted by the government.
Environmentalist Forecasting Model, Arnold Kling | EconLog | Library of Economics and Liberty
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He said signs point to the outbreak being a "point-source" event, in which people were infected during a short period of time, because there was a sharp increase and then sharp decrease in illnesses, he said.
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He said signs point to the outbreak being a "point-source" event, in which people were infected during a short period of time, because there was a sharp increase and then sharp decrease in illnesses, he said.
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The brightness of any point-source illumination diminishes rapidly with distance.
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The most popular are starlight filters, which refract and channel point-source light to create long projections from the light.
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Using the maximum depth-of-field produces a natural streaking of light from point-source lights.
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More than 500 sewage plants were destroyed, more than 170 point-source leakages of gasoline, oil, or natural gas, more than 2000 gas stations submerged, several chemical plants, 8 oil refineries, and a superfund site was submerged. 8 million gallons of oil were spilled.
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Fog refracts point-source lights and adds a nice "glow" to the light.
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Diatom and chrysophyte algal response to long-term PCB contamination from a point-source in northern Labrador, Canada.
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Fog refracts point-source lights and adds a nice "glow" to the light.
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