peneplain
noun/ˈpiːnɪpleɪn/ · /ˈpɛnɪpleɪn/
Etymology From pene- + plain.
1
Geography, Geology, Geomorphology, Natural sciences A low-relief plain representing the final stage of fluvial erosion during times of extended tectonic stability.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.