1. The process of being gradually destroyed by chemical action, typically oxidation
The corrosion of the metal pipe caused it to leak.
A corrosão do tubo de metal causou um vazamento.
2. The gradual wearing away or deterioration of something
The corrosion of trust between the parties was evident.
A corrosão da confiança entre as partes era evidente.
3. A substance produced by corrosive action; rust or similar degraded material
We had to remove the corrosion from the battery terminals.
Tivemos que remover a corrosão dos terminais da bateria.