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pollution - definition and synonyms

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noun [uncountable]     pollution pronunciation in American English
  1. 1
    the process of damaging the air, water, or land with chemicals or other substances

    the pollution of local rivers

  2. 2
    chemicals and other substances that have a harmful effect on air, water, or land

    new measures to prevent pollution levels from rising

    The new agency is responsible for controlling air pollution.

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