pingo
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pin·go
(pĭng′gō)n. pl. pin·gos or pin·goes
An Arctic mound or conical hill, consisting of an outer layer of soil covering a core of solid ice.
[Inuit pingu, hill, mound.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
pingo
(ˈpɪŋɡəʊ)n, pl -gos
(Physical Geography) a mound of earth or gravel formed through pressure from a layer of water trapped between newly frozen ice and underlying permafrost in Arctic regions
[C20: from Inuktitut]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pin•go
(ˈpɪŋ goʊ)n., pl. -gos. Geol.
1. a hill of soil-covered ice pushed up by hydrostatic pressure in an area of permafrost.
2. a hill of similar origin remaining after the melting of permafrost.
[1925–30; < Inuit pinguq]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
pingo
A hillock produced in polar regions by an underground ice blister” pushing up the surface above.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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pingo