erosion
nounUK /ɪˈrəʊʒən/
US /ɪˈroʊʒən/
Erosion is when wind or water slowly wears away rock and soil.
The river caused erosion along its banks, making the land slowly disappear.
RELATED WORDS
OTHER MEANINGS
2. The gradual destruction or weakening of something over time.
The erosion of trust between the friends made it hard to work together.
3. The process by which a surface is worn down by friction or chemical action.
Doctors warned about the erosion of tooth enamel from too much soda.
4. A gradual decline or reduction in value, strength, or amount.
The erosion of the company's profits worried the investors.