Permafrost (Noun)
Meaning
Ground that is permanently frozen.
Classification
Nouns denoting natural objects (not man-made).
Examples
- Thawing permafrost in the Arctic tundra is leading to widespread ecosystem disruption and releasing large amounts of greenhouse gases.
- Scientists studied the permafrost in Alaska to better understand the historical climate patterns of the region.
- In areas with permafrost, construction of buildings requires special engineering techniques to prevent foundation damage from shifting soil.
- Due to rising temperatures, some villages in the Arctic Circle are facing unprecedented challenges as the permafrost beneath their homes begins to thaw.
- Drilling into permafrost requires specialized equipment designed to handle the extremely low temperatures and hard frozen soil.