pediplanationn.
/ˌpɛdᵻpləˈneɪʃn/, U.S. /ˈˌpɛdəpləˈneɪʃ(ə)n/ Geomorphology.
Erosion to, or the formation of, a pediplain or pediplane.
ΘΚΠ
the world > the earth > structure of the earth > formation of features > erosion or weathering > [noun] > erosion of specific features
planation1877
lateritization1882
wedging1882
laterization1890
peneplanation1899
overdeepening1901
karsting1921
laterizing1929
panplanation1933
pedimentation1940
pediplanation1942
karstification1958
1942 A. D. Howard in Jrnl. Geomorphol. 5 11 Pediplanation may be applied as a general term to the process of formation of pediplanes.
1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation ii. 40 It is on plateaus, sometimes uplifted and peneplained (often those which have undergone initial pediplanation) that desert dunes (Sahara) and ice caps (Scandinavia) have developed.
1985 K. J. Gregory Nature of Physical Geogr. (BNC) 69 Lester King constructed a new approach to geomorphology based on a study of the world's plainlands..and in that approach claimed that continent-wide bevelled surfaces were produced by pediplanation.
2003 Quaternary Sci. Rev. 22 1300/1 The volcanic landforms created during this series were subjected to strong erosion and pediplanation.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
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n.1942