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

For Babenzien, the experience of removing and replacing it was as important as its filtration function. — Karin Eldor, Vogue, 11 Nov. 2026

Hospital-grade air filtration, advanced water purification, circadian lighting, sleep technology, conscious design, smart climate control, non-toxic materials and biometric monitoring are entering the conversation, alongside spa-like treatments. — Sofia Celeste, Footwear News, 10 Nov. 2026

So, to work at peak efficiency over time, such a battery would likely need some form of air filtration system built in too. — Christopher McFadden, Interesting Engineering, 7 Nov. 2026

Its ability to clean floors, walls, waterlines and slopes gives it versatility across different cleaning requirements, while the dual filtration system and large debris basket support longer cleaning sessions. — New Atlas, 6 Nov. 2026

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

Rhymes for filtration

• ablation
• aeration
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation

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