In general, substance or energy introduced into the environment that has undesired effects, or adversely affects the usefulness of a resource. A pollutant may cause long- or short-term damage by changing the growth rate of plant or animal species, or by interfering with human amenities, comfort, health, or property values. Pollutants may be classified by various criteria: (1) By the origin: whether they are natural or man-made (synthetic). (2) By the effect: on an organ, specie, or an entire ecosystem. (3) By the properties: mobility, persistence, toxicity.
(4) By the controllability: ease or difficulty of removal.

Use pollutant in a sentence

  • You must try to not release a pollutant into the air from your industrial complex or you may get hit with some huge fines.

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  • The pollutant in the environment was of a nuisance to the community so the plant was shut down the board.

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  • In terms of resources used, and total pollutant contributed in a lifetime, one citizen of the United States is the equivalent of about 80 citizens of India.

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