drum
lin
Plural
drumlins
1
a streamlined, elongated hill formed by glacial action, with a teardrop shape and the steeper end facing the direction of ice movement
- The drumlin field in the region displayed a series of these distinctive glacial landforms.
- The teardrop-shaped drumlin indicated the past movement of the glacier from the northwest.
- Researchers studied the orientation of drumlins to reconstruct the flow direction of the ancient ice sheet.
- The streamlined profile of the drumlin suggested a process of ice molding and deposition.
- As the ice sheet advanced, it left behind a series of drumlins, each bearing evidence of its journey.