erosion · noun U /ɪˈroʊ.ʒən/Full view
C1 damage to soil, stone, etc. by water or wind
Dictionary example:

soil/coastal erosion

Learner example:

Deforestation changes the climate and natural ability to stop soil erosion also plays a role here. (International English Language Testing System; C1; Malayalam)

C2 gradual damage to something such as a quality or situation
Dictionary example:

There has been a gradual erosion of confidence in the government.

Learner example:

For one [thing], shopping can cause an erosion in family values. Children now tend to give more importance to material things. (International English Language Testing System; C2; Tagalog)

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