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permafrost

[pur-muh-frawst, -frost] / ˈpɜr məˌfrɔst, -ˌfrɒst /


Example Sentences

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They found that pieces of amino acids from E. coli bacteria, if trapped in Martian permafrost or ice caps, could survive more than 50 million years even under constant cosmic radiation.

From Science Daily • Feb. 25, 2026

It stretches northward into desolate permafrost regions flush with “oil sands” that produce about nine times as much crude as Alaska.

From The Wall Street Journal • Feb. 14, 2026

Canada and Russia, where large amounts of ice and permafrost are melting, are losing the most fresh water.

From Los Angeles Times • Sep. 3, 2025

As far back as 2003, the village of Pontresina spent millions on a protective dam to shore up the thawing permafrost in the mountain above.

From BBC • Aug. 2, 2025

There should be permafrost, a perpetually frozen subsurface.

From "Cosmos" by Carl Sagan




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