E·rode v. t. [imp. & p. p. Eroded; p. pr. & vb. n. Eroding.]
  1. To eat into or away; to corrode; as, canker erodes the flesh. “The blood . . . erodes the vessels.”
     The smaller charge is more apt to . . . erode the gun.   --Am. Cyc.
  2. Geol. & Phys. Geog. (a) To wear away; as, streams and glaciers erode the land. (b) To produce by erosion, or wearing away; as, glaciers erode U-shaped valleys.
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  eroding
       n : (geology) the mechanical process of wearing or grinding
           something down (as by particles washing over it) [syn: erosion,
            eating away, wearing, wearing away]