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

One of my favorite features of this bowl is the filtration. —Rachel Trujillo, Peoplemag, 14 July 2024

The first, known as the Reuse Water Production Plant, employs dual filtration technology to purify domestic sewage generated by the municipality of Horizonte, producing high-quality reuse water. —Sj Studio, Sourcing Journal, 10 July 2024

Turbidity is a measure of cloudiness in water the EPA says can be used to assess water quality and filtration effectiveness to indicate whether disease-causing organisms could be present. —Lauren Mascarenhas, CNN, 4 July 2024

The combination of active filtration by the powder and passive filtration by the filter and filtration machine ensures the best results by removing other degradation particles. —Miami Herald, 6 June 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