frigid zone
Geographical term for the polar climate zones; used in scientific and educational contexts.
The frigid zone is the region extending around the North and South Poles.
Part of Siberia belongs to the frigid zone.
Plants of the frigid zone are adapted to harsh conditions.
寒帯 refers to the frigid polar climate zones, while 熱帯 is the opposite extreme, the hot tropical zone.
寒帯 is the coldest climate zone, whereas 温帯 is the moderate temperate zone lying between it and 熱帯.
Compound of 寒 (cold) and 帯 (zone, belt), a straightforward kanji-based term for the polar climate zone.