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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Fire can then create a feedback loop that leads to more thawing permafrost, priming more of the landscape to burn.
—
Umair Irfan, Vox, 7 Dec. 2018
Accelerated permafrost thaw in the state has also been observed in recent decades.
—Jack Knudson, Discover Magazine, 22 Jan. 2025
The Amazon basin could soon morph from tropical forest to savanna, and billions of tons of carbon will begin to leach from Siberia’s permafrost.
—Simone Tagliapietra, Foreign Affairs, 19 July 2021
The permafrost in its soil has trapped carbon dioxide and methane for thousands of years.
—Andrew Freedman, Axios, 11 Dec. 2024
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Umair Irfan, Vox, 7 Dec. 2018
Accelerated permafrost thaw in the state has also been observed in recent decades.
—Jack Knudson, Discover Magazine, 22 Jan. 2025
The Amazon basin could soon morph from tropical forest to savanna, and billions of tons of carbon will begin to leach from Siberia’s permafrost.
—Simone Tagliapietra, Foreign Affairs, 19 July 2021
The permafrost in its soil has trapped carbon dioxide and methane for thousands of years.
—Andrew Freedman, Axios, 11 Dec. 2024
See all Example Sentences for permafrost
Dictionary Entries Near permafrost
Cite this Entry
“Permafrost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/permafrost. Accessed 21 Feb. 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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