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peneplain

[pee-nuh-pleyn, pee-nuh-pleyn] /ˈpi nəˌpleɪn, ˌpi nəˈpleɪn/
noun, Geology
1.
an area reduced almost to a plain by erosion.
Also, peneplane.
Origin
1885-1890
1885-90; pene- + plain1
Related forms
peneplanation
[pee-nuh-pluh-ney-shuh n] /ˌpi nə pləˈneɪ ʃən/ (Show IPA),
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for peneplain
  • Through a long era of relative crustal stability the old mountains were eroded to a vast plain, or peneplain, close to sea-level.
British Dictionary definitions for peneplain

peneplain

/ˈpiːnɪˌpleɪn; ˌpiːnɪˈpleɪn/
noun
1.
a relatively flat land surface produced by a long period of erosion
Derived Forms
peneplanation, noun
Word Origin
C19: from pene- + plain1
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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