Definition of pollution in English:


Line breaks: pol|lu¦tion
Pronunciation: /pəˈluːʃ(ə)n


[mass noun]
The presence in or introduction into the environment of a substance which 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.


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

Definition of pollution in: