Definition of Point source:
A source of energy, such as light or sound, which can be regarded as having negligible dimensions.
Pollution source that is fixed and/or uniquely identifiable, such as a factory chimney, pipeline, mine, septic tank, or a ship.
A localized and stationary pollution source.
How to use Point source in a sentence?
- That is why we often speak of the planetary ‘disk’ in astronomy: even under slight magnification the human eye interprets a planet as a 2 dimensional source of light and not a point source.
- However, in a British study in which the authors compared a population living around a point source of air pollution with a control population, no increase in the prevalence of low birth-weight was evident in the polluted area.
Meaning of Point source & Point source Definition