erosion
noun /ɪˈrəʊʒn/
/ɪˈrəʊʒn/
- [uncountable] the process by which the surface of something is gradually destroyed through the action of wind, rain, etc.
- the erosion of the coastline by the sea
- soil erosion
- [uncountable, countable, usually singular] the process of gradually destroying something or making it weaker over a period of time
- the erosion of her confidence
- Many see these security measures as an erosion of civil liberties.