Definition of nivation in English:

nivation

Syllabification: ni·va·tion
Pronunciation: /nīˈvāSHən
 
/

noun

Geography
Erosion of the ground beneath and at the sides of a snow bank, mainly as a result of alternate freezing and thawing.
More example sentences
  • In this manner the depression is enlarged and deepened by the same process of nivation that inaugurated it.
  • Modification of snow cover by climatic change or ‘snow farming’ at ski resorts should have negligible effects on nivation and landforms.
  • A common feature created by nivation is a nivation hollow.

Origin

early 20th century: from Latin nix, niv- 'snow' + -ation.

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