noun
- a mountain or hill that rises above the surface of a surrounding glacier or ice sheet
Usage: geography; geology
Examples
- The nunatak emerged from the glacier like an island in a sea of ice.
- Climbers used the nunatak as a landmark to navigate across the ice field.
- Several nunataks dot the Antarctic landscape, providing refuge for wildlife.
- The exposed rock of the nunatak contrasted sharply with the white ice surrounding it.
- Scientists study nunataks to understand how glaciers move and change over time.