D defs.my
Entry 2 senses Webster, 1913

Denudation

· Den·u·da·tion · IPA
01 n. The act of stripping off covering, or removing the surface; a making bare.
  1. 1.
    The act of stripping off covering, or removing the surface; a making bare.
  2. 2.
    The laying bare of rocks by the washing away of the overlying earth, etc.; or the excavation and removal of them by the action of running water.(Geol.)