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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For example, restoring wetlands, forests, and river basins can enhance water retention and filtration. — Jamil Wyne, Forbes.com, 21 Apr. 2025 This filtration system ensures that your floors are getting their most thorough clean, while also ridding your space of irritants like dust that can cause allergy flare-ups. — Terri Williams, Architectural Digest, 18 Apr. 2025 The whisky was bottled at 48.9 percent ABV with natural color and no chill filtration. — Jonah Flicker, Robb Report, 16 Apr. 2025 Officials planned to use the funds to construct a filtration system to remove PFAS from Fayetteville's drinking water and bring it up to the EPA's new standards. — Josh Hammer, MSNBC Newsweek, 14 Apr. 2025 See All Example Sentences for filtration

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

Rhymes for filtration

See All Rhymes for filtration

Browse Nearby Words

filtrate
filtration
filum aquae
See all Nearby Words

Cite this Entry

“Filtration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/filtration. Accessed 26 Apr. 2025.

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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

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Nglish: Translation of filtration for Spanish Speakers

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