from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A landscape pattern formed by the melting of permafrost and characterized by patterns of hummocks and water-filled depressions.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun geology A region similar in appearance to karst topography, characterized by an irregular land surface, with bogs, pits, and other depressions, formed in areas of permafrost due to ice melting.


Sorry, no etymologies found.


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