1. The outermost layer of a material, substance, or body of water
The surface layer of the ocean is warmed by the sun.
A camada superficial do oceano é aquecida pelo sol.
2. In oceanography, the uppermost layer of water affected by wind and solar radiation
Marine organisms thrive in the surface layer where light penetrates.
Os organismos marinhos prosperam na camada superficial onde a luz penetra.
3. The thin outer coating or membrane of skin or other biological tissue
The surface layer of skin provides protection against pathogens.
A camada superficial da pele fornece proteção contra patógenos.