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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.

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

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

From Seattle Times

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

From New York Times

The words are always associated with the planation or slave dwelling they are paired with, but never are the words literal to the image.

From Salon

Guests must take a guided tour to visit the planation grounds and buildings, including the slave cabins, the Big House and the Children of Whitney sculptures.

From Washington Post