The Collaborative International Dictionary
Circumdenudation
Circumdenudation \Cir`cum*den`u*da"tion\, n. [Pref. circum- + denudation.] (Geol.) Denudation around or in the neighborhood of an object.
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.
Wiktionary
circumdenudation
n. (context geology English) denudation around an object