permafrost
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They found that pieces of amino acids from E. coli bacteria, if trapped in Martian permafrost or ice caps, could survive more than 50 million years even under constant cosmic radiation.
From Science Daily
It stretches northward into desolate permafrost regions flush with “oil sands” that produce about nine times as much crude as Alaska.
Managing heat from a data center built on permafrost requires specialized engineering.
Because the frozen permafrost was just a half meter beneath the active layer of soil, all the water on the tundra stayed near the surface.
From Literature
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Those who think history is by its nature a sort of settled permafrost will be surprised to see how the discipline has changed over the past half century.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.