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planation

American  
[pley-ney-shuhn, pluh-] / pleɪˈneɪ ʃən, plə- /

noun

Geology.
  1. the process whereby an irregular land surface is made flat or level by erosion.


planation British  
/ pleɪˈneɪʃən /

noun

  1. the erosion of a land surface until it is basically flat

"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

Etymology

Origin of planation

First recorded in 1875–80; plane 1 + -ation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Whenever George Washington was back at Mount Vernon, he worshiped at Pohick Church in Lorton, Va., six miles from his family planation.

From Washington Post Mar. 15, 2023

He said the planation Tamils’ inability to own land has forced them to live in “line houses” built during colonial times.

From Seattle Times Dec. 3, 2021

The check for the coconut planation will be deposited, its balance given to Ms. Dionisio’s eldest sister.

From New York Times Mar. 22, 2020

Most of Lanai has been privately owned since the mid-1800s and was used first as a cattle ranch and then as a pineapple planation under Castle & Cooke’s Dole Foods.

From Slate Jun. 27, 2012

He may have been misled by other ministers, and for his benefit I make this ex- planation.

From The Works of Robert G. Ingersoll, Vol. 5 (of 12) Dresden Edition?Discussions by Ingersoll, Robert Green

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