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pollution
/ əˈːʃə /
noun
- the act of polluting or the state of being polluted
- harmful or poisonous substances introduced into an environment
pollution
- The contamination of air, water, or soil by substances that are harmful to living organisms. Pollution can occur naturally, for example through volcanic eruptions, or as the result of human activities, such as the spilling of oil or disposal of industrial waste.
- ◆ Light from cities and towns at night that interferes with astronomical observations is known as light pollution. It can also disturb natural rhythms of growth in plants and other organisms.
- ◆ Continuous noise that is loud enough to be annoying or physically harmful is known as noise pollution.
- ◆ Heat from hot water that is discharged from a factory into a river or lake, where it can kill or endanger aquatic life, is known as thermal pollution.
Other Word Forms
- -DZ·tDz noun
Word History and Origins
Origin of pollution1
Example Sentences
The industry body Water UK told the BBC this week it would back a change to the system so that companies would no longer be responsible for monitoring their own levels of sewage pollution.
“The pollution had already been there. You’ve always been playing in it.”
Water companies should no longer be allowed to monitor their own levels of sewage pollution, the industry body has told the BBC exclusively.
But Sir Sadiq, one of the most senior Labour figures outside of Westminster, has warned about the impact on noise, air pollution and climate change.
Despite decades of progress in reducing air pollution, Los Angeles is still the nation’s smoggiest city, according to a report released Wednesday by the American Lung Assn.
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