1.
frozen ground, frozen soil, permafrost
Ground that is frozen, either temporarily in winter or permanently in cold regions. Often used in the compound 永久凍土 (permafrost).
永久凍土が溶けている。
The permafrost is melting.
永久凍土 = permafrost
北極には広大な凍土が広がっている。
Vast stretches of frozen ground spread across the Arctic.
地球温暖化で永久凍土が急速に減っている。
Due to global warming, permafrost is rapidly decreasing.
凍土 refers to ground or soil that is frozen, whether seasonally or permanently. In everyday Japanese, it most often appears in the compound 永久凍土 (permafrost), particularly in discussions of climate change and Arctic environments.
COMMON COLLOCATIONS:
- 凍土が溶ける (frozen ground melts)
- 凍土が広がる (frozen ground extends)
- 凍土が減る (frozen ground decreases)
- 凍土地帯 (frozen ground zone)
COMMON COMPOUNDS:
- 永久凍土 (permafrost — permanently frozen ground)
- 凍土壁 (frozen soil wall — used in construction to block groundwater)
USAGE:
- Most commonly encountered in the compound 永久凍土
- Used in geography, environmental science, and climate change discussions
- The kanji 凍 means "freeze" and 土 means "earth/soil"