filter out

phrasal verb·1 sense·particle out

Usefulness

Meanings

1

Remove unwanted things from a group or substance

Why “out”? Pushing outward to eliminate. What is removed is sent away.

The system filters out spam.
The system stops unwanted messages from reaching your inbox.
The mask filters out dust.
The mask stops dust from passing through.

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The system filters out spam. What does it mean?

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