abrasive wheel
nounUK /əˈbreɪ.sɪv wiːl/
US /əˈbreɪ.sɪv wiːl/
A round wheel that spins fast and rubs hard things to make them smooth or cut them.
The worker used an abrasive wheel to smooth the rough edge of the metal.
OTHER MEANINGS
2. A powered disc coated with gritty material used in workshops for sharpening tools.
He sharpened the chisel on an abrasive wheel.
3. A rotating disc in a machine that wears away material by friction.
The machine's abrasive wheel wore down after hours of use.
4. Any wheel-shaped tool made of bonded grit for grinding or finishing surfaces.
Replace the abrasive wheel when it becomes too small.