fil·​tra·​tion | \ fil-ˈtrā-shən How to pronounce filtration (audio) \

Definition of filtration

1 : the process of filtering
2 : the process of passing through or as if through a filter also : diffusion

Examples of filtration in a Sentence

Recent Examples on the Web

This week, Keurig Dr Pepper suspended production of Peñafiel in order to improve its filtration system, according to Consumer Reports. Dallas News, "High arsenic levels found in bottled water brands owned by Keurig Dr Pepper and Whole Foods," 20 June 2019 Mays said that her family is currently saving up for a water filtration system. Mimi Hsin Hsuan Sun And Tatyana Walker, CNN, "Prosecutors drop criminal charges in Flint water scandal," 13 June 2019 Literally Long before air filtration systems became de rigueur in luxury homes, The Plaza did it first. Leena Kim, Town & Country, "The Plaza's 10 Juiciest Secrets Revealed," 7 June 2019 And as a coup de grâce, the isolated globin proteins can clog the filtration system of the kidneys and shut them down. Quanta Magazine, "Icefish Study Adds Another Color to the Story of Blood," 22 Apr. 2019 Keurig Doctor Pepper stopped production of Peñafiel for two weeks after the release of the initial Consumer Reports study, with proposals to improve water filtration. Joshua Bote, USA TODAY, "High levels of arsenic in bottled water sold at Whole Foods, Target, Walmart, study says," 20 June 2019 Look for options with High Efficiency Particulate Air (HEPA) filtration, which excel at stripping out even the tiniest impurities from the air, including everything from smog to pollen. Lauren Hubbard, ELLE Decor, "A Beginner's Guide to Making Your Home More Sustainable," 1 Apr. 2019 In the early 1900s, pools were cleaned through filtration. Dawn Mitchell, Indianapolis Star, "Diving into history: Indianapolis' first municipal pool was in use more than a century ago," 29 Mar. 2019 Not all filtration bottles are created equal: Some rely on suction, others require pressure, some protect against a variety of pathogens and others don’t. Sunny Fitzgerald, National Geographic, "6 plastic-free ways to travel with safe drinking water," 7 Mar. 2019

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

1602, in the meaning defined at sense 1

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Statistics for filtration

Last Updated

10 Jul 2019

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Time Traveler for filtration

The first known use of filtration was in 1602

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English Language Learners Definition of filtration

technical : the act or process of removing something unwanted from a liquid, gas, etc., by using a filter


fil·​tra·​tion | \ fil-ˈtrā-shən How to pronounce filtration (audio) \

Kids Definition of filtration

: the process of filtering


fil·​tra·​tion | \ fil-ˈtrā-shən How to pronounce filtration (audio) \

Medical Definition of filtration

1 : the process of filtering
2 : the process of passing through or as if through a filter also : diffusion the kidney produces urine by filtration

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More from Merriam-Webster on filtration

Rhyming Dictionary: Words that rhyme with filtration

Spanish Central: Translation of filtration

Nglish: Translation of filtration for Spanish Speakers

Britannica English: Translation of filtration for Arabic Speakers

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