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Definition of "pollution" []

  • The act or process of polluting or the state of being polluted, especially the contamination of soil, water, or the atmosphere by the discharge of harmful substances. (noun)
  • Something that pollutes; a pollutant or a group of pollutants: Pollution in the air reduced the visibility near the airport. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "pollution" in a sentence
  • "So I think we can use the term pollution to describe it."
  • "Koch Nitrogen Co. LLC, a fertilizer producer, questions the EPA's desire to make unit-specific or facility-specific emissions available, calling it "misguided" since a change in pollution from a single factory is unlikely to influence policy on a global problem."
  • "I hate the way they use the term pollution in association with CO2..."