erosion

Definition

• n. (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
• n. condition in which the earth's surface is worn away by the action of water and wind
• n. a gradual decline of something

Word forms

Plural

erosions

Example sentences

1. n.

   The erosion of the coastline is becoming a serious issue for local residents.

2. n.

   The erosion of the metal parts in the machine caused it to malfunction.