pollutant

noun
pol·​lut·​ant | \ pə-ˈlü-tᵊnt How to pronounce pollutant (audio) \

Definition of pollutant

: something that pollutes

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Examples of pollutant in a Sentence

filtered the pollutants out of the water

Recent Examples on the Web

In 2015, the government of prime minister Narendra Modi launched new standards to limit the concentration of pollutants from the stack emissions of thermal power plants. Kuwar Singh, Quartz India, "Cleaning up its coal power plants will cost India $10 billion—but who will pay?," 7 Aug. 2019 Concentrations of these pollutants have fallen sharply since the landmark environmental law and its amendments were enacted. Scott Waldman, Scientific American, "In Environment Speech, Trump Fails to Mention Climate Change," 9 July 2019 The satellite, which will be built by San Francisco satellite company Planet Labs, is intended to track the source of pollutants that cause climate change. Alejandro Lazo And Jim Carlton, WSJ, "California to Launch Satellite to Track Air Pollution," 14 Sep. 2018 Look out for the Great Lakes and our water, and pay attention to the pollutants messing up both. Detroit Free Press, "Health care, jobs, immigration and the Great Lakes top your 2020 election agenda," 29 July 2019 The heart defect can occur with environmental exposure to hazardous air pollutants during early pregnancy. Erin Douglas, Houston Chronicle, "Infants with mothers living near oil and gas production at higher risk of heart defects: study," 18 July 2019 Taking off outdoor clothing like jackets and adopting a shoeless household policy is one way to reduce indoor exposure to outdoor pollutants. Gabriel Filippelli, Quartz, "A geochemist’s simple tricks to reduce dust in your home," 20 June 2019 Researchers at the University of Queensland, Australia, found that when corals are exposed to chemical pollutants over long periods, their resilience to other stresses - including higher temperatures and ocean acidification - may also decrease. Isabelle Gerretsen, CNN, "Can the world's first land-based coral farm save our reefs?," 13 June 2019 The state claims the company exceeded limits for sulfur dioxide, carbon monoxide, nitrogen oxides and other pollutants. USA TODAY, "Glowing rock fight, Statehouse stash, hometown hero: News from around our 50 states," 15 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pollutant.' 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 pollutant

1892, in the meaning defined above

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More Definitions for pollutant

pollutant

noun

English Language Learners Definition of pollutant

: a substance that makes land, water, air, etc., dirty and not safe or suitable to use : something that causes pollution

pollutant

noun
pol·​lut·​ant | \ pə-ˈlü-tᵊnt How to pronounce pollutant (audio) \

Kids Definition of pollutant

: a substance that makes something (as air or water) impure and often unsafe

pollutant

noun
pol·​lut·​ant | \ pə-ˈlüt-ᵊnt How to pronounce pollutant (audio) \

Medical Definition of pollutant

: something that pollutes

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