Part of Speech: noun
Definition: A mound of earth-covered ice found in Arctic and sub-Arctic regions.
Pronunciation: US: /ˈpɪŋɡoʊ/, UK: /ˈpɪŋɡəʊ/
Origin and Usage: The word "pingo" comes from the Inuvialuktun language, spoken in the western Canadian Arctic. Pingos are formed when groundwater freezes and pushes up a mound of soil and ice. They are found in Arctic and sub-Arctic regions, and are an important feature of permafrost landscapes. The word "pingo" has been used in English since the 1940s.
Synonyms: ice mound, hydrolaccolith, frost mound
Related Words: frost, mound, icecap, glacier, delta
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