noun. ground that is permanently frozen.
- frost (English)
- frost (Old English (ca. 450-1100))
- perma- (English)
Sentences with permafrost
1. Verb, past participle
One thing found in cold deserts rather than hot deserts is permafrost.
2. Noun, singular or mass
Thawing permafrost is bad not just because it’s an indication that our planet is warming at dangerous rates, but also because it can release emissions into the air that will speed that climate crisis.
3. Foreign word
Further south lies the sporadic permafrost zone, which is about as large as the semi-permanent region.
4. Coordinating conjunction
Much of the tundra includes permafrost – frozen ground – just beneath the ground's surface.