Permafrost
Pronunciation
- US IPA: ˈpÉməˌfrÉ”st
Full definition of permafrost
Noun
permafrost
(plural permafrosts)- Permanently frozen ground, or a specific layer thereof.
- 2003, Johannes C. Nonner, Introduction to Hydrogeology, ISBN 9026518706, page 157,Nevertheless, the water molecule is present, as ice, in a solid form in frozen soils or permafrosts, which cover large regions characterised by a polar climate.