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Noun: eroding  i'row-ding
  1. (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
    - erosion, eating away, wearing, wearing away, degradation
Verb: erode  i'rowd
  1. Become ground down or deteriorate
    "Her confidence eroded";
    - gnaw, gnaw at, eat at, wear away
     
  2. Remove soil or rock
    "Rain eroded the terraces";
    - eat away, fret

Type of: crumble, damage, decay, dilapidate, geologic process, geological process

Encyclopedia: Erode