Filter

usgb/ˈfɪltər/
noun

A device that removes unwanted parts from something, like dirt from air.

She had to change the air filter in her car because it was clogged with dust.
Visual representation of "filter" - A device that removes unwanted parts from something, like dirt from air.
Definition 1 of 7
Visual representation of "filter"
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Physical Removal

Emphasizes removing particles you can't see with eyes.

Illustration for Physical Removal
A coffee filter keeps the grounds out of your drink.
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Maintenance Needed

Filters need to be cleaned or replaced regularly to work.

Illustration for Maintenance Needed
Remember to check your vacuum's filter for cleaning.
Visual representation of the word "Filter"

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