erosion

Noun

• erosion by chemical action

• a gradual decline of something
  • after the accounting scandal there was an erosion of confidence in the auditors
    

• condition in which the earth's surface is worn away by the action of water and wind

• (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)

Related words

• Synonyms: 
  corrosion , corroding , eroding , eating away , wearing , wearing away