| 单词 | ice-scouring |
| 释义 | > as lemmasice-scouring ice-scouring n. Geology the action of an ice sheet or glacier in eroding the land and producing and shaping landforms; an instance or episode of this. ΘΚΠ the world > the earth > structure of the earth > formation of features > glaciation > [noun] > specific processes grooving1877 outwash1884 ice-scouring1888 plucking1893 ice scour1899 sapping1899 nivation1900 transfluence1949 1888 R. F. Heddle in J. A. Harvie-Brown & T. E. Buckley Vertebr. Fauna Outer Hebrides 237 The greatest amount, at least of recent change of surface, has been by degradation through ice-scouring. 1919 N.Y. State Mus. Ann. Rep. 1916 I. 159 These ice scourings, however, grooved the old wave-cut Trenton shelf and spoiled its flatness. 1957 G. E. Hutchinson Treat. Limnol. I. i. 57 The Saint Gotthard lakes..are noted..as having been formed by ice-scouring. 2000 Globe & Mail (Toronto) (Nexis) 10 May t4 Rare Arctic plants..grow at the base of inaccessible limestone ledges along the river where nothing else grows because of annual ice-scouring. < as lemmas |
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