pollution

noun
pol·lu·tion | \ pə-ˈlü-shən \

Definition of pollution 

1 : the action of polluting especially by environmental contamination with man-made waste also : the condition of being polluted

2 : pollutant

Examples of pollution in a Sentence

industrial practices that have caused pollution of the air and water The tests showed high levels of pollution in the water. The fish are dying of pollution.
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Recent Examples on the Web

In that position, Wheeler fought air pollution regulations and opposed efforts to address climate change, helping stymie some of the early bipartisan efforts to deal with the issue. Justin Worland, Time, "Scott Pruitt's EPA Resignation Is a Win for Environmental Groups. But It's Complicated," 5 July 2018 Learning about the dangers of plastic pollution in the ocean spurred her to focus her Girl Scout Gold Award project, the organization's highest honor, on trying to do something about it. Tara Bahrampour, ajc, "How a Girl Scout got companies to cut down on using millions of plastic straws," 22 June 2018 The requirements mandate Exelon to trap the same amount of pollution the Conowingo always has — millions of pounds of nitrogen and hundreds of thousands of pounds of phosphorus every year. Scott Dance, baltimoresun.com, "Conowingo Dam owner Exelon sues Maryland officials over demands that it help reduce Susquehanna River pollution," 1 June 2018 Critics say the effort is really designed to exclude definitive studies that have driven air pollution regulations and other public health protections. Scott Waldman, Scientific American, "Climate Science Can Be More Transparent, Researchers Say," 10 May 2018 Since 1970, the state has held a waiver under the federal Clean Air Act to impose its own air pollution regulations that can be more stringent than national rules. David R. Baker, San Francisco Chronicle, "Brown slams “Outlaw Pruitt” as California sues EPA over clean-car rules," 1 May 2018 Construction trades unions favored a more business-friendly approach backed by the oil industry and worked to defeat a Garcia bill that would have mandated stricter air pollution regulations. Alexei Koseff And Angela Hart, sacbee, "Rendon fumes as construction unions move to take out Cristina Garcia | The Sacramento Bee," 23 Apr. 2018 The creature’s death offers yet another unfortunate reminder of the dire impact of pollution on marine ecosystems. Brigit Katz, Smithsonian, "Dead Sperm Whale Had 64 Pounds of Trash in Its Digestive System," 12 Apr. 2018 The city demolished that building and cleared the site of industrial pollution several years ago with $2.7 million in-state environmental cleanup funds. Don Stacom, Courant Community, "State Lending $6 Million To Aid New Britain's CTfastrak-Focused Project," 11 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pollution.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of pollution

14th century, in the meaning defined at sense 1

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Dictionary Entries near pollution

pollutant

pollute

polluting

pollution

pollutional

Pollux

poll watcher

Statistics for pollution

Last Updated

7 Sep 2018

Look-up Popularity

Time Traveler for pollution

The first known use of pollution was in the 14th century

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More Definitions for pollution

pollution

noun

English Language Learners Definition of pollution

: the action or process of making land, water, air, etc., dirty and not safe or suitable to use

: substances that make land, water, air, etc., dirty and not safe or suitable to use

pollution

noun
pol·lu·tion | \ pə-ˈlü-shən \

Kids Definition of pollution

: the action of making something impure and often unsafe or unsuitable for use : the state of being polluted

pollution

noun
pol·lu·tion | \ pə-ˈlü-shən \

Medical Definition of pollution 

1 : the action of polluting or the condition of being polluted

2 : pollutant

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Comments on pollution

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