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词汇 nivation
释义

Definition of nivation in English:

nivation

noun nʌɪˈveɪʃ(ə)nˌnaɪˈveɪʃ(ə)n
mass nounGeography
  • Erosion of the ground beneath and at the sides of a snow bank, mainly as a result of alternate freezing and thawing.

    〔地理〕雪蚀

    Example sentencesExamples
    • In this manner the depression is enlarged and deepened by the same process of nivation that inaugurated it.
    • A common feature created by nivation is a nivation hollow.
    • Modification of snow cover by climatic change or ‘snow farming’ at ski resorts should have negligible effects on nivation and landforms.

Origin

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

Definition of nivation in US English:

nivation

nounˌnīˈvāSH(ə)nˌnaɪˈveɪʃ(ə)n
Geography
  • Erosion of the ground beneath and at the sides of a snow bank, mainly as a result of alternate freezing and thawing.

    〔地理〕雪蚀

    Example sentencesExamples
    • A common feature created by nivation is a nivation hollow.
    • Modification of snow cover by climatic change or ‘snow farming’ at ski resorts should have negligible effects on nivation and landforms.
    • In this manner the depression is enlarged and deepened by the same process of nivation that inaugurated it.

Origin

Early 20th century: from Latin nix, niv- ‘snow’ + -ation.

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