v. 侵蚀；磨损（erode的ing形式）
adj. 侵蚀的

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

Erode \E*rode"\, v. t. [imp. & p. p. {Eroded}; p. pr. & vb. n.
{Eroding}.] [L. erodere, erosum; e out + rodere to gnaw. See
{Rodent}.]
1. To eat into or away; to corrode; as, canker erodes the
flesh. ``The blood . . . erodes the vessels.'' --Wiseman.

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.
[Webster 1913 Suppl.]

3. to reduce or lessen as if by eroding; as, a politician's
base of support is eroded by evidence of corruption; the
buying power of the dollar is eroded by inflation. [fig.]
[PJC]