Erosion

[ɪ'rəʊʒ(ə)n] or [ɪ'roʒən]

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

(noun.) a gradual decline of something; 'after the accounting scandal there was an erosion of confidence in the auditors'.

(noun.) condition in which the earth's surface is worn away by the action of water and wind.

Typed by Hiram--From WordNet

(n.) The act or operation of eroding or eating away.

(n.) The state of being eaten away; corrosion; canker.

Typed by Damian

n. Corrosion, eating away.

Typed by Hiram

Typed by Ellie