Meaning of the word filter in English

What does filter mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

filter

US /ˈfɪl.tɚ/
UK /ˈfɪl.tɚ/
"filter" picture

Noun

1.

a device containing a porous substance through which a liquid or gas is passed in order to remove suspended impurities or to recover solids.

Example:
The coffee machine has a built-in filter.
You need to clean the air filter regularly.
2.

a program or function that processes data to allow only certain items to pass through.

Example:
Use a spam filter to block unwanted emails.
Apply a color filter to enhance the photo.

Verb

1.

pass (a liquid or gas) through a device to remove unwanted material.

Example:
You should filter the water before drinking it.
The machine can filter out impurities from the air.
2.

process (data) to exclude unwanted items.

Example:
You can filter the search results by date.
The system will automatically filter out irrelevant information.
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