permafrost

noun
UK: /ˈpɜː.mə.frɒst/
US: /ˈpɝː.mə.frɑːst/

  1. Ground that is permanently frozen.

    1. The permafrost is melting fast now.
    2. Melting permafrost releases methane, a potent greenhouse gas, accelerating climate change.

  2. A layer of soil below the surface of the earth that remains frozen throughout the year.

    1. Building on permafrost is very difficult.
    2. Scientists are studying how quickly the Alaskan permafrost is thawing due to rising global temperatures.

Frequently Asked Questions

The word "permafrost" in English means: Ground that is permanently frozen., A layer of soil below the surface of the earth that remains frozen throughout the year..

The phonetic transcription of "permafrost" is /ˈpɜː.mə.frɒst/ in British English and /ˈpɝː.mə.frɑːst/ in American English. Click the 🔊 button to hear both pronunciations.

Example usage of "permafrost": "The permafrost is melting fast now.". More examples on the page.