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

Examples of filtration in a Sentence

Recent Examples on the Web

Creating an accessible waterfront will involve removing old asphalt, installing a new stormwater system that directs water into a filtration basin before entering the lake; constructing a new ADA boardwalk that leads to a large, permanent dock with a kayak launch; and adding a pit toilet facility. —Cathy Kozlowicz, Journal Sentinel, 17 Sep. 2024

It’s reasonably well established that eating more protein will lead to an increase in kidney filtration rate, presumably to handle the higher waste load. —Alex Hutchinson, Outside Online, 10 Sep. 2024

This has led to delays in building CCUS infrastructure and efforts to reduce the costs associated with filtration, transportation, and storage. —Ankit Mishra, Forbes, 9 Sep. 2024

San Jose Mayor Matt Mahan championed the funding and said the city would use it to experiment with water filtration systems and different ways to address flooding. —Devan Patel, The Mercury News, 30 Aug. 2024

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 act or 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