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

So, all that said, consider filtration devices for your kitchen sink and for your portable bottle. Sally Tamarkin, SELF, "22 Easy Ways to Drink More Water Every Day," 3 Jan. 2019 Garrett had a sleeping bag, a water filtration device, a little food and part of a tent. Bob Moen, The Seattle Times, "Bugs, bark helped Boy Scout survive in Wyoming wilderness," 30 July 2018 By promoting soils that provide natural filtration and creating a vegetative cover that minimizes soil erosion and sediment runoff, forests keep Michigan water quality high. Michigan Department Of Natural Resources, Detroit Free Press, "A taste of the Michigan forest," 4 Jan. 2018 The family-size T-fal 7211002145 FR8000 Deep Fryer has a 3.5-liter oil capacity, an immersed heating element that quickly recovers oil temperature, and an automatic oil-filtration system. Francine Maroukian, Popular Mechanics, "The Best Deep Fryers—and How to Fry Anything," 14 Nov. 2018 In several deals costing at least $3 billion, GE acquired water-filtration businesses that used different, competing technologies, and then put the groups together under a single sales force. Russell Adams, WSJ, "Can Larry Culp Fix GE?," 6 Oct. 2018 The vac uses a high filtration bag and HEPA AirClean filter that the company claims will retain 99.99% of dust from being released back into the air — a plus for allergy sufferers. Sarah Bogdan, Good Housekeeping, "These Top 5 Canister Vacuums Are Pros at Cleaning Tough-to-Reach Places," 14 Dec. 2018 DrinkPod LLC will manufacture the water filtration appliances and Gibson Overseas Inc. will make the housewares items, Sears said. Kimberly Chin, WSJ, "Sears Expands Kenmore, DieHard Brands With Licensing Deals," 1 Nov. 2018 The sand filters, similar to what may be found in swimming pools, act as the initial filter as well as help to provide biological filtration for the pool. The Kansas City Zoo, kansascity, "New Stingray Bay Touch Tank Exhibit Now Open at KC Zoo (Sponsored)," 27 June 2018

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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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

Comments on filtration

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