noun
- a large area of land that has been worn down by erosion to a nearly flat surface
Usage: geology
Examples
- The ancient peneplane stretched for hundreds of miles across the continent.
- Geologists studied the peneplane to understand the region’s erosional history.
- After millions of years of weathering, the mountains were reduced to a peneplane.
- The flat landscape was identified as a peneplane formed during the Tertiary period.
- Rivers meandered slowly across the low-relief peneplane.
- The peneplane represented the final stage of the erosion cycle.