Definition of pollution in English:


Syllabification: pol·lu·tion
Pronunciation: /pəˈlo͞oSHən


  • The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects: the level of pollution in the air is rising
    More example sentences
    • Insidious pollution of the soil is the main cause of extinction of plant species in the UK.
    • People move or reduce physical activities when air pollution becomes intolerable.
    • This is a wasteful process causing a net loss of nitrogen to the animal and pollution of the environment.
    contamination, adulteration, impurity; dirt, filth, toxins, infection; smog


late Middle English: from Latin pollutio(n-), from the verb polluere (see pollute).

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