- erosion resulting from the action of frost beneath a snowbank.
Origin of nivation
1895–1900; < Latin niv- (stem of nix) snow + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for nivation
The process of nivation, or snow erosion, does not always produce visible effects.
He has adequately shown the manner in which that phase of nivation is expressed which we find at the border of the snow.
It would at first sight appear impossible to distinguish between these changes through the results of nivation.
Thus far only those volcanoes have been considered which have been modified by nivation.
- the weathering of rock around a patch of snow by alternate freezing and thawing
C19: from Latin nix, stem niv- snow