n. [ Pref. circum- + denudation. ] (Geol.) Denudation around or in the neighborhood of an object. [ 1913 Webster ]
Hills of circumdenudation, hills which have been produced by surface erosion; the elevations which have been left, after denudation of a mass of high ground. Jukes. [ 1913 Webster ]
n. [ L. denudatio: cf. F. dénudation. ] 1. The act of stripping off covering, or removing the surface; a making bare. [ 1913 Webster ]
2. (Geol.) 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. [ 1913 Webster ]