资料来源 : pyDict

腐蚀,冲蚀,侵蚀

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Erosion \E*ro"sion\, n.
   The wearing away of the earth's surface by any natural
   process. The chief agent of erosion is running water; minor
   agents are glaciers, the wind, and waves breaking against the
   coast.

Erosion \E*ro"sion\, n. [L. erosio. See {Erode}.]
   1. The act or operation of eroding or eating away.

   2. The state of being eaten away; corrosion; canker.

资料来源 : WordNet®

erosion
     n 1: (geology) the mechanical process of wearing or grinding
          something down (as by particles washing over it) [syn: {eroding},
           {eating away}, {wearing}, {wearing away}]
     2: condition in which the earth's surface is worn away by the
        action of water and wind
     3: a gradual decline of something; "after the accounting
        scandal there was an erosion of confidence in the
        auditors"
     4: erosion by chemical action [syn: {corrosion}, {corroding}]