filtration

noun
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

The new rules apply to outdoor workers and semi-indoor places, like auto body shops that aren’t completely enclosed and don’t have air filtration systems. Peter Fimrite, SFChronicle.com, "New rules to protect workers when wildfires’ smoke fills the air," 29 July 2019 These icemen start with tap water, which flows through a five-step filtration system that peels away impurities. Phillip Valys, sun-sentinel.com, "Nice ice, baby: Fancy ‘clear ice’ taking South Florida cocktails to cooler heights," 26 July 2019 Drenzek added that the Sheraton is also working on the filtration system in the hotel's swimming pool. Susan Scutti, CNN, "5 cases of Legionnaires' disease follow visits to downtown Atlanta hotel," 17 July 2019 Ensuring appropriate air monitoring measures, employing truck verification testing, developing a community safety plan and upgrading the District’s air filtration system were components in the letter, Sinnette said. James Faris, La Cañada Valley Sun, "La Cañada Unified’s credit rating upgraded to AA+," 17 July 2019 Smith also launched a water company called JUST water, which installed a filtration system in Flint, Michigan, and has four more systems planned for installation in the near future. Matt Mcnulty, PEOPLE.com, "Will Smith Gave Sweet Speech at Son Jaden's 21st Birthday Party: 'You Make Us Proud Every Single Day'," 13 July 2019 However, en rama (raw) wines—usually finos and manzanillas that are basically bottled straight from the cask and undergo only the roughest filtration to remove undesirable matter like yeast chunks or dead bugs—are the new storytellers of the region. Shana Clarke, Fortune, "A New Style of Winemaking Could Take Sherry Mainstream," 29 June 2019 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

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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More Definitions for filtration

filtration

noun

English Language Learners Definition of filtration

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

filtration

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

Kids Definition of filtration

: the process of filtering

filtration

noun
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