filter
nounUK /ˈfɪl.tər/
US /ˈfɪl.tɚ/
A filter is a tool that catches the bits you do not want and lets the clean part through.
The water filter makes the tap water clean and safe to drink.
OTHER MEANINGS
2. A piece of software that blocks certain emails or messages.
The spam filter keeps junk mail out of my inbox.
3. To pass liquid or air through something to clean it.
We filter the water before we drink it.
4. A special effect on a photo or video that changes how it looks.
She added a warm filter to her sunset photo.
5. To slowly remove or sort out parts of a group.
The coach filtered the players into two teams.