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ice age

/ˈaɪs eɪdʒ/

Traduction: Période géologique de refroidissement prolongé de la surface terrestre et de l'atmosphère, entraînant l'expansion des calottes glaciaires continentales et polaires ainsi que des glaciers de montagne.

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/ˈaɪs eɪdʒ/B2formalscientific
  • frPériode géologique de refroidissement prolongé de la surface terrestre et de l'atmosphère, entraînant l'expansion des calottes glaciaires continentales et polaires ainsi que des glaciers de montagne.

A geological period of long-term reduction in Earth's surface and atmospheric temperature, resulting in the expansion of continental and polar ice sheets and alpine glaciers.

  1. Geological period of glaciationB2formal

    A long period of time in Earth's history when global temperatures dropped significantly, causing large ice sheets to cover vast areas of land.

    frpériode glaciaire

    • The last ice age ended about 11,700 years ago.
    • During the ice age, much of North America was covered in ice.
    • Scientists study ice cores to understand past ice ages.