pollution

noun
pol·​lu·​tion | \ pə-ˈlü-shən How to pronounce pollution (audio) \

Definition of pollution

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

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 All of those things contribute to illness or poor health—especially in lower-income urban neighborhoods where automobile pollution is worst—and nearly all of them get worse the heavier a vehicle is. Alex Pareene, The New Republic, "Buy Every American an Electric Moped," 28 Dec. 2020 That kind of resilience shows that the pollution is hell-bent on eventually reaching the ocean. Matt Simon, Wired, "The Incredible Journey of the Electronic Plastic Bottle," 2 Dec. 2020 Water pollution is already a big problem in many parts of the state, including San Francisco Bay. Kurtis Alexander, SFChronicle.com, "First rain of season unveils a new pollution problem: masks and gloves — pandemic PPE," 18 Nov. 2020 The nation’s rivers delivered potable water; air pollution was minimal. Frans Lanting, National Geographic, "How Iran is destroying its once thriving environmental movement," 12 Nov. 2020 Air pollution was also an irritant for some of our eyes, noses and respiratory systems. Washington Post, "PM Update: Warm, stagnant air continues into tomorrow," 8 Nov. 2020 Julie Simmonds, a lawyer with the Center for Biological Diversity, said air pollution and its disproportionate impacts on the Black community is a critical aspect of their federal suit. Lylla Younes, ProPublica, "Permit for Controversial $9 Billion Plastics Plant in “Chemical Alley” to Be Put on Hold," 5 Nov. 2020 Certain fish and bugs cannot exist when pollution is present. Beth Burger, USA TODAY, "Trump's EPA rewrote the rules on air, water energy. Now voters face a choice on climate change issues," 31 Oct. 2020 Certain fish and bugs cannot exist when pollution is present. USA Today, "Trump's EPA rewrote the rules on air, water energy. Now voters face a choice on climate change issues," 29 Oct. 2020

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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Time Traveler for pollution

Time Traveler

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

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Statistics for pollution

Last Updated

16 Jan 2021

Cite this Entry

“Pollution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pollution. Accessed 24 Jan. 2021.

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More Definitions for pollution

pollution

noun
How to pronounce pollution (audio)

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 How to pronounce pollution (audio) \

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 How to pronounce pollution (audio) \

Medical Definition of pollution

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

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Comments on pollution

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