- an area reduced almost to a plain by erosion.
Origin of peneplain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for peneplain
The whole land area at the time of flooding was virtually a peneplain.The Lani People
J. F. Bone
Like the deep decomposition-soils in moister regions, it indicates a peneplain on which erosion has ceased.The Argentine Republic
The final result is the reduction of the land surface to an approximate plain, called a peneplain, somewhere near sea level.The Economic Aspect of Geology
C. K. Leith
A peneplain, therefore, is a surface which has been brought toward, but not to base-level.
At a stage shortly preceding the base-level stage the surface would be a peneplain.
- a relatively flat land surface produced by a long period of erosion
C19: from pene- + plain 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012