Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

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

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. for more
Tutoring comment

Tutoring comment not yet available...

add more
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,,, and YouTube,,,,, as well as the generous Creative Commons community.