noun (plural pingos)Geology
A dome-shaped mound consisting of a layer of soil over a large core of ice, occurring in permafrost areas.
- What's left behind are new surfaces: kettle moraines, outwash plains, pingos, scoured barren grounds.
- Less widespread, but equally distinctive, are ice-cored mounds, or pingos.
- The review by Watson of the periglacial environment in Britain concluded that continuous permafrost was present long enough for widespread formation of features such as ice wedges and pingos.
1920s: from Inuit pinguq 'nunatak'.
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