1. A surface that is not covered or protected; visible outer layer that is open to the environment
The exposed surface of the metal began to rust after weeks of rain.
A superfície exposta do metal começou a enferrujar após semanas de chuva.
2. In construction and architecture, an exterior or visible surface left without covering or finish
The architect chose to leave the exposed surface of the brick wall as a design feature.
O arquiteto optou por deixar a superfície exposta da parede de tijolos como um recurso de design.
3. Any area that is vulnerable to external elements or damage
The exposed surface of the roof was damaged by the storm.
A superfície exposta do telhado foi danificada pela tempestade.