abrading
v. C1 Advanced UK //ɐbɹˈeɪdɪŋ// abrad·ing
v. to wear away a surface by rubbing it against something rough. It is often used to describe how sand or stone can smooth a rock over time.
v. to wear away or smooth a surface by rubbing or grinding against a rough substance. Often describes the geological process of erosion or the mechanical action of a file.
The wind is abrading the stone walls of the old house.
Geologists observed how the river was abrading the bedrock, eventually carving a deep canyon over millions of years.
The constant friction of the sand against the hull caused the ship's metal to abrade, revealing the underlying layers of protective paint and eventually the steel itself.