shiny

Radiating light; bright.

Bright from reflected light; glistening.

Having a sheen from being rubbed or worn smooth.

Rubbed smooth by abrasion: said of cloth, rails, wire rope, etc.

Reflecting light or showing differences in shade or color on account of the presence of a film of grease, as in cloth, or its absence locally from a surface which is normally lubricated, as in engine-guides.