Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

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

Derived forms: pollutions

Type of: dirtiness, dirtying, environmental condition, impureness, impurity, soiling, soilure [archaic], uncleanness, waste, waste material, waste matter, waste product

Encyclopedia: Pollution