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cryoplanation
cryoplanation n. 
/ˌkrʌɪə(ʊ)pleɪˈneɪʃn/, /ˌkraɪoʊˌpleɪˈneɪʃ(ə)n/ Geomorphology the levelling and lowering of the land surface as a result of the disintegration of rock and soil by frost and ice and the removal of material loosened by such action.
Brit. /ˌkrʌɪə(ʊ)pləˈneɪʃn/
, /ˌkrʌɪə(ʊ)pləˈneɪʃn//ˌkrʌɪə(ʊ)pleɪˈneɪʃn/U.S. /ˌkraɪoʊpləˈneɪʃ(ə)n/
, /ˌkraɪoʊpləˈneɪʃ(ə)n//ˌkraɪoʊˌpleɪˈneɪʃ(ə)n/ΘΚΠ
the world > the earth > structure of the earth > formation of features > movement of material > [noun] > by wind, water, or ice
transportation1830
deflation1893
altiplanation1915
cryoplanation1946
1946 K. Bryan in Amer. Jrnl. Sci. 244 640 Cryoplanation, land reduction by the processes of intensive frost-action... Includes the work of rivers and streams in transporting materials delivered by the above process.
1976 Quaternary Res. 6 105/1 In Alaska, sharp cryoplanation terraces do not occur outside the present zones of continuous and discontinuous permafrost.
2000 A. R. Orme Physical Geogr. N. Amer. xiii. 259 The entire topic of cryoplanation has been controversial throughout its history..and remains so today.
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