Piece of cake? her mind screeched. Piece of ten-million-year-old permafrozen glacier, maybe.

b) 21, p. 210

Pingos form by the penetration of unfrozen but saturated sands to the surface through a layer of permafrozen ground.

See Also: permafrost

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Look at other dictionaries:

  • permafrosted — adjective Permanently frozen. permafrosted soil Syn: permafrozen See Also: permafrost …   Wiktionary

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