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ice age noun

  • (colloquial) Any of several glacial periods (within a scientific ice age) marked by episodes of extensive glaciation alternating with episodes of relative warmth (interglacial).
 période glaciaire, glaciation, englaciation, âge de glace
  • (scientific) A period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence of major polar ice sheets that reach the ocean and calve icebergs.
 âge de glace
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