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[nahy-vey-shuh n] /naɪˈveɪ ʃən/
noun, Geology.
erosion resulting from the action of frost beneath a snowbank.
Origin of nivation
1895-1900; < Latin niv- (stem of nix) snow + -ation Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for nivation
Historical Examples
  • The process of nivation, or snow erosion, does not always produce visible effects.

  • It would at first sight appear impossible to distinguish between these changes through the results of nivation.

  • He has adequately shown the manner in which that phase of nivation is expressed which we find at the border of the snow.

  • Thus far only those volcanoes have been considered which have been modified by nivation.

British Dictionary definitions for nivation


the weathering of rock around a patch of snow by alternate freezing and thawing
Word Origin
C19: from Latin nix, stem niv- snow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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