Astronautics Vocabulary : pergélisol
The Astronautics Vocabulary is a glossary of terms that pertain to the science and technology of spaceflight. This alphabetical list can be navigated by clicking on the letters A-Z displayed on this page.
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Definition of permafrost
- Translation:
- pergélisol
- Definition:
- Perennially frozen ground occurring wherever the temperature remains below 0 °C for several years, whether the ground is actually consolidated by ice or not and regardless of the nature of the rock and soil particles of which the earth is composed.
- Other Definition:
- None
- Synonym:
- None