nivation

[ nahy-vey-shuh n ]
/ naɪˈveɪ ʃən /

noun Geology.

erosion resulting from the action of frost beneath a snowbank.

Words nearby nivation

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. 2020

Examples from the Web for nivation

  • 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.

  • The process of nivation, or snow erosion, does not always produce visible effects.

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

British Dictionary definitions for nivation

nivation
/ (naɪˈveɪʃən) /

noun

the weathering of rock around a patch of snow by alternate freezing and thawing

Word Origin for nivation

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