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
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

Following the late 1800s caviar rush, America’s nine sturgeon species and subspecies were plagued by pollution, dams and overfishing. Ben Finley, Washington Post, "Sturgeon, America’s forgotten dinosaurs, show signs of life," 10 July 2019 They city is seeking an additional 15 years to come up with a solution to the chloride pollution, which is likely caused by home water softeners. USA TODAY, "Ink library, parking barnacles, lunar training grounds: News from around our 50 states," 9 July 2019 Some of the biggest threats to the animals include climate change, pollution, and a decrease in Chinook salmon population, according to the National Wildlife Federation. Ashley Boucher, PEOPLE.com, "Birth of Female Baby Orca Increases the Endangered Southern Resident Killer Whale Population to 76," 9 July 2019 The report, weighing more than 14 pounds, exhaustively detailed the perks of Alphabet's vision, including streets without traffic congestion and air pollution, as well as inventive ways of dealing with harsh weather. Matt Mcfarland, CNN, "Alphabet's plans to track people in its 'smart city' ring alarm bells," 9 July 2019 Increasingly, the scientists who study emerging infectious diseases, crop survival, air pollution, sea level rise, and extreme heat all warn that past performance may no longer be indicative of future results. Adam Rogers, WIRED, "This Summer's Weird Weather Is the Death of Predictability," 8 July 2019 The presence of enteric bacteria is an indication of fecal pollution, which may come from storm water runoff, pets and wildlife, and human sewage, the health department said. Leada Gore | Lgore@al.com, al.com, "Latest beach conditions: Jellyfish in Destin, Panama City; bacteria advisory in Panama City Beach," 5 July 2019 Oregon’s most powerful industries have killed, weakened or stalled efforts to deal with climate change, disappearing bird habitat, cancer-causing diesel exhaust, industrial air pollution, oil spill planning and weed killers sprayed from helicopters. oregonlive.com, "Legislature sends ballot initiative to voters setting stage for campaign donation limits," 30 June 2019 The Ocean Ranger cruise ship pollution inspection program was defunded, cutting $3.4 million. James Brooks, Anchorage Daily News, "Here’s a rundown of Gov. Dunleavy’s line-item budget vetoes," 29 June 2019

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

13 Jul 2019

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 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
2 : pollutant

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Comments on pollution

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