csiszol

To make a surface smooth by rubbing it with sandpaper or another abrasive material.

To improve something, such as writing, a performance, or skills, to make it more attractive, impressive, or effective.

To improve a skill, method, or idea through practice, careful thought, and small adjustments.

Improved something by making small, careful changes, especially to make it more effective, attractive, or professional.

To make a skill, ability, or way of doing something more effective or precise, often through practice or training.

To form or refine something by repeatedly removing small pieces, especially from a hard surface; often used figuratively.