planation

[ pley-ney-shuhn, pluh- ]

/ pleɪˈneɪ ʃən, plə- /

noun Geology.

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

Origin of planation

First recorded in 1875–80; plane¹ + -ation

Words nearby planation

plan, planar, planarian, planar process, planate, planation, plan B, plancer, planch, planchet, planchette

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for planation

The planation and striation of a stone need not be confined to its under surface.
The Geography of the Region about Devils Lake and the Dalles of the Wisconsin|Rollin D. Salisbury
These changes probably included stream capture, flooding, drought, uplifting and planation.
North American Recent Soft-shelled Turtles (Family Trionychidae)|Robert G. Webb
He may have been misled by other ministers, and for his benefit I make this ex- planation.
The Works of Robert G. Ingersoll, Vol. 5 (of 12)|Robert G. Ingersoll

British Dictionary definitions for planation

planation

/ (pleɪˈneɪʃən) /

noun

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

单词	planation
释义	planation [ pley-ney-shuhn, pluh- ] / pleɪˈneɪ ʃən, plə- / noun Geology. the process whereby an irregular land surface is made flat or level by erosion. Origin of planation First recorded in 1875–80; plane¹ + -ation Words nearby planation plan, planar, planarian, planar process, planate, planation, plan B, plancer, planch, planchet, planchette Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for planation The planation and striation of a stone need not be confined to its under surface. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin\|Rollin D. Salisbury These changes probably included stream capture, flooding, drought, uplifting and planation. North American Recent Soft-shelled Turtles (Family Trionychidae)\|Robert G. Webb He may have been misled by other ministers, and for his benefit I make this ex- planation. The Works of Robert G. Ingersoll, Vol. 5 (of 12)\|Robert G. Ingersoll British Dictionary definitions for planation planation / (pleɪˈneɪʃən) / noun 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
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