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BNC: 41317 COCA: 21966

permafrost

1 ENTRIES FOUND:
permafrost /ˈpɚməˌfrɑːst/ noun
permafrost
/ˈpɚməˌfrɑːst/
noun
Learner's definition of PERMAFROST
[noncount] technical
: a layer of soil that is always frozen in very cold regions of the world永冻土
BNC: 41317 COCA: 21966

permafrost

noun

per·​ma·​frost ˈpər-mə-ˌfrȯst How to pronounce permafrost (audio)
: a permanently frozen layer at variable depth below the surface in frigid regions of a planet (such as earth)

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BNC: 41317 COCA: 21966

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