peneplanationn.
/ˌpiːnᵻpləˈneɪʃn/, /ˌpɛnᵻpləˈneɪʃn/, U.S. /ˈˌpinəpləˈneɪʃ(ə)n/ Geomorphology.
Erosion of a land surface to a peneplain.
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
1899 W. M. Davis in Amer. Geologist 23 210 The unevenness of the uplands of to-day is a natural result of imperfect peneplanation followed by submature dissection.
1936 Geogr. Jrnl. 87 22 A complicated history of peneplanation, uparching, faulting, and erosion.
1970 R. J. Small Study of Landforms v. 163 In an area such as the British Isles, perfectly preserved surfaces of peneplanation do not exist at or near present sea-level.
2001 Isis 92 134/2 Cretaceous peneplanation gave way to a Tertiary cycle of lowland excavation.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
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n.1899