peneplain

noun
pe·​ne·​plain | \ ˈpē-ni-ˌplān How to pronounce peneplain (audio) , ˈpe- How to pronounce peneplain (audio) \
variants: or less commonly peneplane

Definition of peneplain

: a land surface of considerable area and slight relief shaped by erosion

First Known Use of peneplain

1889, in the meaning defined above

History and Etymology for peneplain

Latin paene, pene almost + English plain or plane

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The first known use of peneplain was in 1889

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Cite this Entry

“Peneplain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peneplain. Accessed 16 Jun. 2021.

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More from Merriam-Webster on peneplain

Britannica.com: Encyclopedia article about peneplain

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