pollution: Meaning and Definition of

pol•lu•tion

Pronunciation: (pu-l'shun), [key]
— n.
  1. the act of polluting or the state of being polluted.
  2. the introduction of harmful substances or products into the environment: air pollution.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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