Clearcoat

This car has an excellent clearcoat. It's very tough and scratch-resistant.

I sprayed a clearcoat over her pastel drawing, so it ought to last many years without smudging.

I clearcoated her pastel drawing, so it ought to last many years without smudging.

A: What job are you on this week? B: They've got me clearcoating. I'm good at clearcoating without getting any runs, so Bill will probably keep me on it.