permafrost
Permanently frozen ground, or a specific layer thereof.
A kind of
- land
Related words
- subpermafrost
- permafrosty
- permafrosted
Where this comes from
This definition is adapted from “permafrost” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.