erosion

noun

The erosion of the coastline is a major concern for the local community.

意味（1）

Father Ted: The cliffs were gone? How could they just disappear?

Dougal: Erosion.

意味（2）

(uncountable) The changing of a surface by mechanical action, friction, thermal expansion contraction, or impact.

意味（3）

(uncountable, figuratively) The gradual loss of something as a result of an ongoing process.

the erosion of a person's trust

意味（4）

(uncountable) Destruction by abrasive action of fluids.

意味（5）

意味（6）

(dentistry) Loss of tooth enamel due to non-bacteriogenic chemical processes.

意味（7）

(medicine) A shallow ulceration or lesion, usually involving skin or epithelial tissue.

意味（8）

(mathematics) In morphology, a basic operation (denoted ⊖); see Erosion (morphology).