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English definition of “permafrost”


noun [U]     /ˈpɜː.mə.frɒst/ US  /ˈpɝː.mə.frɑːst/ specialized
an area of land that is permanently frozen below the surfaceSnow and iceCold
(Definition of permafrost noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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