nouns
(geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
condition in which the earth's surface is worn away by the action of water and wind
is a type of (narrower)
the state of the environment
a gradual decline of something
"after the accounting scandal there was an erosion of confidence in the auditors"
is a type of (narrower)
change toward something smaller or lower
erosion by chemical action