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Pollution Definition

Noun: pollution  pu'loo-shun

  1. Undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
  2. The state of being polluted
    - befoulment, defilement
  3. The act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors
    - contamination
  4. Waste matter that contaminates the water, air or soil
    - pollutant