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 The device is outfitted with 360-degree filtration and powerful suction to swiftly circulate air at every angle. Clara McMahon, Peoplemag, 13 Apr. 2024 Systems will also be required to inform the public if the levels of PFAS go above the limit due to filtration issues, or if PFAS are discovered for the first time. Laura Schulte, Journal Sentinel, 12 Apr. 2024 That process requires expensive tools, such as lithography machines, and ultrapure water filtration. Dylan Sloan, Fortune, 10 Apr. 2024 Both sides run through a filtration and sanitization system that utilizes UV light, to eliminate the need for chemicals. Sean Evans, Robb Report, 9 Apr. 2024 Air inlet filtration will remove a majority of particulate matter. The Arizona Republic, 7 Apr. 2024 Water filtration systems have been installed in homes where the PFAS exceeded safe levels. Sarah Bowman, The Indianapolis Star, 7 Mar. 2024 According to the brand, the vacuum’s five-layer filtration system is designed to capture up to 99.99 percent of tiny particles, securely trapping all sorts of germs and allergens (just in time for allergy season!). Clara McMahon, Peoplemag, 6 Apr. 2024 These straws boast a four-stage filtration system that effectively eliminates microplastics, waterborne bacteria, and various other contaminants. Alexandra Domrongchai, Travel + Leisure, 4 Apr. 2024

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 25 Apr. 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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