1. A layer of material applied to a surface to protect it from damage, corrosion, weathering, or other harmful effects
The protective coating on the metal prevents rust formation.
O revestimento protetor no metal previne a formação de ferrugem.
2. A substance used in industrial applications to shield surfaces from environmental degradation
Apply a protective coating to the wooden deck before winter.
Aplique um revestimento protetor no convés de madeira antes do inverno.