filtration

noun

fil·​tra·​tion fil-ˈtrā-shən How to pronounce filtration (audio)
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 Protect your declining lung capacity with this easy-to-wear filtration system. Jennie Egerdie, The New Yorker, 6 Feb. 2024 The vacuum features four-stage filtration with a HEPA filter that removes 99.9 percent of dust, debris, and pet dander measuring 0.3 microns. Nor'adila Hepburn, Better Homes & Gardens, 24 Jan. 2024 The plant also avoided damage to a water filtration membrane that would have cost $10,000 to replace, Gupta notes. Nick Rockel, Fortune, 18 Jan. 2024 In addition, the vacuum boasts a five-stage filtration system that captures up to 99.97 percent of germs and pollutants. Clara McMahon, Peoplemag, 20 Dec. 2023 That last one might seem a bit subjective, because technically most Tennessee whiskey is bourbon that has undergone the extra step of charcoal filtration before going into barrels (something some whiskey fans will debate all day). Jonah Flicker, Robb Report, 27 Nov. 2023 How the Beyond Oil Product Works The Beyond Oil Product integrates into the existing filtration systems of both commercial and industrial fryers. Kansas City Star, 25 Jan. 2024 It's equipped with a whole-machine HEPA filtration system. Theresa Holland, Peoplemag, 23 Jan. 2024 Just as people enjoy the benefits of living trees — beauty, shade, water filtration, oxygen — trees can continue to benefit people in death by being turned into homes, furniture or even guitars. Washington Post Staff, Washington Post, 8 Dec. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'filtration.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

borrowed from Middle French & Medieval Latin; Middle French, borrowed from Medieval Latin filtrātiōn-, filtrātiō, from filtrāre "to pass through a filter" + Latin -tiōn-, -tiō, suffix of verbal action — more at filtrate

First Known Use

1602, in the meaning defined at sense 1

Time Traveler
The first known use of filtration was in 1602

Dictionary Entries Near filtration

Cite this Entry

“Filtration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/filtration. Accessed 23 Feb. 2024.

Kids Definition

filtration

noun
fil·​tra·​tion fil-ˈtrā-shən How to pronounce filtration (audio)
: the act or process of filtering

Medical Definition

filtration

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

More from Merriam-Webster on filtration

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