Definition of Permafrost in English :
Define Permafrost in English
Permafrost meaning in English
Meaning of Permafrost in English
Pronunciation of Permafrost in English
Permafrost pronunciation in English
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Permafrost
see synonyms of permafrostNoun
1. permafrost
ground that is permanently frozen
WordNet Lexical Database for English. Princeton University. 2010.
Permafrost
see synonyms of permafrostCollins English Dictionary. Copyright © HarperCollins Publishers
Permafrost
see synonyms of permafrostWebster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
Permafrost
see synonyms of permafrostThe American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.