permafrost
noun
per·ma·frost
ˈpər-mə-ˌfrȯst 
: a permanently frozen layer at variable depth below the surface in frigid regions of a planet (such as earth)
Examples of permafrost in a Sentence
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This extreme environment, characterized by freezing temperatures, strong winds, and permafrost, makes traditional manual labor intensely hazardous and brutally inefficient.
—
Mrigakshi Dixit, Interesting Engineering, 8 Dec. 2025
The specimen studied was a mammoth, nicknamed Yuka, found well-preserved in Siberian permafrost.
—Jay Kakade
december 03, New Atlas, 3 Dec. 2025
When permafrost thaws, the ice that's trapped in the ground turns into water and drains away.
—Rebecca Hersher, NPR, 19 Nov. 2025
And in 2019, a team sequenced RNA from the skin of a 14,300-year-old wolf that was preserved in permafrost.
—Katie Hunt, CNN Money, 15 Nov. 2025
See All Example Sentences for permafrost
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Mrigakshi Dixit, Interesting Engineering, 8 Dec. 2025
The specimen studied was a mammoth, nicknamed Yuka, found well-preserved in Siberian permafrost.
—Jay Kakade
december 03, New Atlas, 3 Dec. 2025
When permafrost thaws, the ice that's trapped in the ground turns into water and drains away.
—Rebecca Hersher, NPR, 19 Nov. 2025
And in 2019, a team sequenced RNA from the skin of a 14,300-year-old wolf that was preserved in permafrost.
—Katie Hunt, CNN Money, 15 Nov. 2025
See All Example Sentences for permafrost
Cite this Entry
“Permafrost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/permafrost. Accessed 15 Dec. 2025.
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permafrost
noun
per·ma·frost
ˈpər-mə-ˌfrȯst
: a permanently frozen layer at variable depth below the surface in frigid regions of a planet (as earth)
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