Diffuses and Erode

verb

• Become ground down or deteriorate.
  • usage: "Her confidence eroded"
  • synonyms: gnaw, gnaw at, eat at, wear away
• Remove soil or rock.
  • usage: "Rain eroded the terraces"
  • synonyms: eat away, fret

• (v.t.) To eat into or away; to corrode; as, canker erodes the flesh.
• (v.t.) To wear away; as, streams and glaciers erode the land.
• (v.t.) To produce by erosion or wearing away; as, glaciers erode U-shaped valleys.