Advertisement
Advertisement
View synonyms for permafrost
permafrost
[ pur-muh-frawst, -frost ]
noun
- (in Arctic or subarctic regions) perennially frozen subsoil.
permafrost
/ ˈpɜːməˌfrɒst /
noun
- ground that is permanently frozen, often to great depths, the surface sometimes thawing in the summer
permafrost
/ pûr′mə-frôst′ /
- A layer of soil or bedrock that has been continuously frozen for at least two years and as long as tens of thousands of years. Permafrost can reach depths of up to 1,524 m (4,999 ft). It is found throughout most of the polar regions and underlies about one fifth of the Earth's land surface.
Discover More
Word History and Origins
Origin of permafrost1
First recorded in 1943; perma(nent) + frost
Discover More
Word History and Origins
Origin of permafrost1
C20: from perma ( nent ) + frost
Discover More
Example Sentences
I was sitting so low, even the permafrost-stunted spruce trees towered over me.
From The Daily Beast
I wondered what would happen to the trees if some of the permafrost melted, allowing roots to expand in longer growing seasons.
From The Daily Beast
The reason: frozen permafrost that once contained the lake water (like cement contains a swimming pool) had melted.
From The Daily Beast
Advertisement
Advertisement
Advertisement
Advertisement
Browse