filtration
noun
fil·tra·tion fil-ˈtrā-shən 
1
: the process of filtering
2
: the process of passing through or as if through a filter
also : diffusion
Example Sentences
Recent Examples on the Web Some cities are integrating natural wastewater filtration into their landscaping before the water flows back to the river. 
The Salt Lake Tribune, 12 Sep. 2022 To help reduce risks from indoor contaminants, optimize air ventilation and enhance air filtration. Bill Geary, Forbes, 2 Aug. 2022 She was taken with a few other elderly women on a bus through filtration in three Ukrainian towns, and then to Taganrog in Russia. Anchorage Daily News, 20 July 2022 Water filtration and ozone purification systems (sometimes called ozonators) are a must. Rachel Klein, Popular Mechanics, 20 July 2022 This 94-proof gin was copper pot distilled without chill filtration and features wild foraged Kentucky botanicals including Kentucky juniper and spicebush. Maggie Menderski, The Courier-Journal, 19 July 2022 This is a highly capable air purifier using HyperHEPA filtration technology that’s been proven effective at scrubbing everything from pollen and smoke particles to viruses like SARS-CoV-2 (the one responsible for Covid-19) from the air. Brad Moon, Forbes, 25 Aug. 2022 Some also advocated for mandatory masking and testing at the start of the year, and for new standards for ventilation and air filtration. Jessica Bartlett, BostonGlobe.com, 22 Aug. 2022 Traditional fining agents, which help remove sediment that can’t be removed by filtration, are what typically make a wine unsuitable for vegans. Kate Kassin, Bon Appétit, 21 Aug. 2022 See More
The Salt Lake Tribune, 12 Sep. 2022 To help reduce risks from indoor contaminants, optimize air ventilation and enhance air filtration. Bill Geary, Forbes, 2 Aug. 2022 She was taken with a few other elderly women on a bus through filtration in three Ukrainian towns, and then to Taganrog in Russia. Anchorage Daily News, 20 July 2022 Water filtration and ozone purification systems (sometimes called ozonators) are a must. Rachel Klein, Popular Mechanics, 20 July 2022 This 94-proof gin was copper pot distilled without chill filtration and features wild foraged Kentucky botanicals including Kentucky juniper and spicebush. Maggie Menderski, The Courier-Journal, 19 July 2022 This is a highly capable air purifier using HyperHEPA filtration technology that’s been proven effective at scrubbing everything from pollen and smoke particles to viruses like SARS-CoV-2 (the one responsible for Covid-19) from the air. Brad Moon, Forbes, 25 Aug. 2022 Some also advocated for mandatory masking and testing at the start of the year, and for new standards for ventilation and air filtration. Jessica Bartlett, BostonGlobe.com, 22 Aug. 2022 Traditional fining agents, which help remove sediment that can’t be removed by filtration, are what typically make a wine unsuitable for vegans. Kate Kassin, Bon Appétit, 21 Aug. 2022 See More 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
Kids Definition
filtration
noun
fil·tra·tion fil-ˈtrā-shən
: the process of filtering
Medical Definition
filtration
noun
fil·tra·tion fil-ˈtrā-shən
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