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# filtration

«filtration» in Mova's school dictionary: **the process of separating solid bits from a liquid or gas…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (filtration — uncountable)

### meaning for a pupil

1) Filtration is the process of separating solid bits from a liquid or gas by passing it through a filter, such as paper, sand or cloth. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/#m1)

2) Filtration is also the cleaning of water or air by filters. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/#m2)

### sense in the lessons

A science word: in lessons on separating mixtures, filtration separates sand from water (but not dissolved salt — that needs evaporation). Water treatment plants use filtration to make water safe to drink. Phrases: filtration system, water filtration, filter paper.

### examples

- We used filtration to separate the sand from the water. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/#x1)
- Filtration cannot remove salt that has dissolved. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/#x2)
- The water goes through sand for filtration. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/#x3)
- The fish tank has a filtration system to keep the water clean. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/#x4)
- Coffee is made by filtration through a paper filter. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/#x5)
- Our kidneys do a kind of filtration of the blood. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/#x6)
- After filtration, the clear liquid is called the filtrate. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/#x7)

### note

Uncountable. Verb: filter. The liquid that passes through is the filtrate; the solid left behind is the residue. Myth: filtration alone does not make water safe — germs and dissolved substances can pass through.

### Trees and pragmatics

[Every meaning and example of «filtration» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filtration/), each sentence with its dependency tree and frames.