pingo
(noun)
noun
1. (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.
(noun)
1. (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.