peneplane

/ˈpinəpleɪn/
noun
  1. An alternative spelling of peneplain, meaning a nearly flat land surface formed by erosion.
    • The textbook used the spelling 'peneplane' for the eroded landscape.
    • Some older maps refer to the area as a peneplane rather than a peneplain.
    • The geologist explained that 'peneplane' is a less common variant of the same term.
Synonyms
What does "peneplane" mean? | whatsthatwordmean | whatsthatwordmean