Permafrost (story)
WordNet
noun
(1) Ground that is permanently frozen
WiktionaryText
Noun
- 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.
- 2003, Johannes C. Nonner, Introduction to Hydrogeology, ISBN 9026518706, page 157,