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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

The act of contaminating; Undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities.

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Usage examples (36)
  • I hate the way they use the term pollution in association with CO2...
  • They want great respect for what they call pollution-free transportation.
  • Controlling 'pollution' is not the same thing at all, CO2 is not considered a pollutant ... in the US at least.
  • This pollution is spread throughout the mountains.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.