peneplain

American  

[pee-nuh-playn, pee-nuh-playn] / ˈpi nəˌpleɪn, ˌpi nəˈpleɪn /

Or peneplane

noun

Geology.

1. an area reduced almost to a plain by erosion.

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peneplain British  

/ ˈpiːnɪˌpleɪn, ˌpiːnɪˈpleɪn /

noun

1. a relatively flat land surface produced by a long period of erosion

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Other Word Forms

• peneplanation
  noun

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Etymology

Origin of peneplain

First recorded in 1885–90; pene- + plain ¹

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Example Sentences

See Examples For:

peneplain

Peace does not reign in a science, they say, until its peaks and valleys have worn to a featureless peneplain grazed by placid ruminants.

From Time Magazine Archive

This cycle had not been completed, that is, the work of base-leveling had not been altogether accomplished, when the peneplain was elevated, and the cycle, though still incomplete, brought to a close.

From The Geography of the Region about Devils Lake and the Dalles of the Wisconsin by Wallace W. Atwood

This peneplain was later upraised into a plateau and its downward inclination towards the east increased.

From North America by Israel C. (Cook) Russell

And about the time the "chalk" the land was reduced to a peneplain.

From Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 by Anonymous

In other words, the western slope is a tilted peneplain, bearing on its surface remnants of older uplands.

From North America by Israel C. (Cook) Russell

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