1. The gradual reduction of profit margins due to increased costs, competition, or pricing pressures
The company faced margin erosion as raw material costs increased significantly.
A empresa enfrentou erosão de margem com o aumento significativo dos custos de matérias-primas.
2. In geology and environmental science, the wearing away of coastal or riverbank edges through natural processes
Margin erosion along the riverbank threatened the stability of nearby structures.
A erosão da margem do rio ameaçou a estabilidade das estruturas próximas.
3. In banking and finance, the reduction of profit margins on loans or financial products
Banks experienced margin erosion due to declining interest rates.
Os bancos sofreram erosão de margem devido à queda das taxas de juros.