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peneplain

or pe·ne·plane

[ pee-nuh-pleyn, pee-nuh-pleyn ]

noun

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


peneplain

/ ˈpiːnɪˌpleɪn; ˌpiːnɪˈpleɪn /

noun

  1. a relatively flat land surface produced by a long period of erosion
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Derived Forms

  • ˌpeneplaˈnation, noun
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Other Words From

  • pe·ne·pla·na·tion [pee-n, uh, -pl, uh, -, ney, -sh, uh, n], noun
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Word History and Origins

Origin of peneplain1

First recorded in 1885–90; pene- + plain 1
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Word History and Origins

Origin of peneplain1

C19: from pene- + plain 1
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Example Sentences

The bottoms of the broad depressions represent the Shenandoah peneplain, which is sharply trenched by the modern river channels.

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

The suggestion has been offered that the northern portion of the Coast Range is a dissected peneplain.

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

Immense regional intrusions, the cores of once lofty mountain ranges, are found upon the Laurentian peneplain.

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Penelopepenetrable