Of a surface, having low friction, often due to being covered in a non-viscous liquid, and therefore hard to grip, hard to stand on without falling, etc.
Unstable; changeable; inconstant.
Evasive; difficult to pin down.
Having a shiny nonporous surface.
Of or resembling glass; glassy.
Of a semi-crystalline substance where the atoms exhibit short-range order, but without the long-range order of a crystal.
Of or relating to the vitreous humor of the eye.
The vitreous humor.