POLLUTION

Pollution

Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution.

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pollution

Noun

  1. The act of polluting or the state of being polluted, especially the contamination of the environment by harmful substances.
  2. Something that pollutes; a pollutant.
  3. Physical defilement.
  4. The emission of semen at other times than in sexual intercourse.


The above text is a snippet from Wiktionary: pollution
and as such is available under the Creative Commons Attribution/Share-Alike License.

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