polishing

To shine; to make a surface very smooth or shiny by rubbing, cleaning, or grinding.

“He polished up the chrome until it gleamed.”

To refine; remove imperfections from.

“The band has polished its performance since the last concert.”

To apply shoe polish to shoes.

To become smooth, as from friction; to receive a gloss; to take a smooth and glossy surface.

“Steel polishes well.”

To refine; to wear off the rudeness, coarseness, or rusticity of; to make elegant and polite.

The action of the verb to polish.

(usually in the plural) An extract of partially milled rice.

That makes shiny or smooth.

That refines.