1. a tool or substance used for wearing away or smoothing a surface by rubbing

Examples

• The carpenter used a fine abrader to smooth the wooden surface.
• Steel wool serves as an effective abrader for removing rust.
• The dentist selected a gentle abrader to polish the patient’s teeth.
• Industrial abraders are essential tools in metalworking shops.
• She chose a coarse abrader to remove the old paint from the fence.
• The jeweler used a diamond abrader to shape the precious stone.