permafrost

(redirected from Permafrost soil)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to Permafrost soil: tundra soil, Discontinuous permafrost

per·ma·frost

 (pûr′mə-frôst′, -frŏst′)
n.
Permanently frozen subsoil, occurring throughout the Polar Regions and locally in perennially frigid areas.

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.

permafrost

(ˈpɜːməˌfrɒst)
n
(Physical Geography) ground that is permanently frozen, often to great depths, the surface sometimes thawing in the summer
[C20: from perma(nent) + frost]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

per•ma•frost

(ˈpɜr məˌfrɔst, -ˌfrɒst)

n.
(in arctic or subarctic regions) permanently frozen subsoil.
[1943; perma (nent) frost]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

per·ma·frost

(pûr′mə-frôst′)
A layer of permanently frozen subsoil, reaching depths up to 5,000 feet (1,524 meters). Permafrost is found throughout most of the polar regions.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

permafrost

Permanently frozen subsoil.
Dictionary of Military and Associated Terms. US Department of Defense 2005.

permafrost

Permanently frozen ground found in polar and subpolar zones.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.permafrost - ground that is permanently frozenpermafrost - ground that is permanently frozen  
land, soil, ground - material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use); "the land had never been plowed"; "good agricultural soil"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

permafrost

[ˈpɜːməfrɒst] Npermagel m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

permafrost

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

permafrost

[ˈpɜːməˌfrɒst] npermafrost m inv
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
Frozen permafrost soil is quite possibly the perfect place for bacteria to remain alive for long periods of time, perhaps even as long as a million years.
The release of that surface permafrost soil carbon is often offset by an increased growth in vegetation.
Between 2004 and 2012, the study authors drilled 13 permafrost soil cores from various sites in Alaska, and measured the total amounts of mercury and carbon in each core.
By: Egypt Today staff CAIRO -- 8 August 2017: Russian scientists have discovered on Monday a unique 12th century mummy that had been buried in permafrost soil in Siberia and named it called the Polar Princess which was buried in permafrost soil in the 12th century.
In one recent explosion, permafrost soil was thrown around 1 kilometre from the epicentre of the blast, highlighting the huge force, scientists discovered.
Methanogens, affiliated to the phylum of Euryarchaeota, are a group of archaea that produce methane under anaerobic conditions, which are ubiquitous in the biosphere and are particularly found in a variety of ecosystems such as rice paddies, lakes, hydrothermal vents, and permafrost soil and sediments [17].
In joint research with Canada, Japan succeeded in producing such gas from permafrost soil in northern Canada between 2007 and 2008 with the depressurization method.
Ironically, the section of the mostly buried pipeline ran above ground for environmental reasons--to protect the delicate permafrost soil below.
"Naturally, the bodies were buried under the upper layer of permafrost soil, on the bank of the Kolyma River," Boris Kershengolts, of the Siberian branch of the Academy of Sciences, told The Independent.
London, Dec 4 (ANI): The finding of a well-preserved bone marrow in a mammoth thighbone, from permafrost soil in Siberia, may help in cloning the extinct woolly mammal within five years.