n.
- The process of eroding or the condition of being eroded: erosion of the beach; progressive erosion of confidence in our legal system; erosion of the value of the dollar abroad.
- The group of natural processes, including weathering, dissolution, abrasion, corrosion, and transportation, by which material is worn away from the earth's surface.
[Latin ērōsiō, ērōsiōn-, an eating away, from ērōsus, eaten away.]
definition courtesy of www.dictionary.com
