Meaning of the word "filter out" in English

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

filter out

US /ˈfɪl.tər aʊt/
UK /ˈfɪl.tər aʊt/
"filter out" picture

Phrasal Verb

to remove something that is not wanted from a group of things or from a liquid or gas

Example:
The software is designed to filter out spam emails.
The kidneys filter out toxins from the blood.