Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “filtration”


noun [U] uk   /fɪlˈtreɪ.ʃən/ us  
the act of passing a liquid or gas through a piece of equipment in order to remove solid pieces or other substances: a filtration unit/plant The technology exists to remove all of these contaminants through filtration.Separating and dividingRemoving and extracting
(Definition of filtration from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of filtration?
Browse related topics

You are looking at an entry to do with Separating and dividing, but you might be interested in these topics from the Cutting and joining topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “filtration” in other dictionaries

Translations of “filtration”

Word of the Day


a measure for liquid equal to about half a litre

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More