an earth-covered ice hill formed by the upward expansion of underground ice
Origin of pingo; from Inupiaq pinguq
nounpl. pin·gos or pin·goes
An Arctic mound or conical hill, consisting of an outer layer of soil covering a core of solid ice.
Origin of pingoInuit pingu, hill, mound.
aerial photograph of pingos
near Tuktoyaktuk in
the Northwest Territories,
- (geomorphology) A conical mound with an ice core (that is, a mound of earth-covered ice), particularly if lasting more than a year; caused by permafrost uplift.