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The process of erosion and deposition in which a nearly level surface is produced, as by streams, wind, or ocean currents.

[Latin plānum, flat surface; see plane1 + -ation.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Geological Science) the erosion of a land surface until it is basically flat
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(pleɪˈneɪ ʃən, plə-)

the erosional work done by streams that contributes to gradation of the land surface.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


the formation of a flat or level surface by the process of erosion.
See also: Earth
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.planation - the process of erosion whereby a level surface is produced
eating away, eroding, erosion, wearing, wearing away - (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The Director-General of Luxmi Group, Rudra Chatterjee said that they plan to expand investment in tea planation so that the plant can produce the finest tea in Rwanda.
The inventory indicated that 21 percent area or 43,000 hectares of Riverine forests and 17 percent area or 13,000 hectares of irrigated planation were under cover of productive/commercial tree species and the remaining forest area was degraded and occupied by non-commercial woody vegetation.
Prof Shah said that GCU would also launch another planation drive in September when the new badge of students would arrive.
'The plantation of a tree is not enough but the planted sapling must be protected and grown with proper care,' he said and added Karachi need vast tree planation and greenery and every one of us have to play our role.
Little represents the sixth and last generation before the planation was obliterated by Lake Marion.
The ceremony ended with a tribute to a long-standing tripartite partnership/ relationship between the Government, KFW and Greenstar by planting of tree planation by the distinguished guests.
The former includes the planation of 7.5 million trees, while Riyadh Art will see more than 1,000 art installations set up across the city.
To mark the occasion a flag hoisting ceremony will take place on March 23, 2019 at the Beach Park, Clifton, Karachi, followed by tree planation by Mr.
Naheed Manzoor said its social responsibility of every citizen to take part in the tree planation. Ch Mohammad Akram said extensive tree plantation is drastically needed in the country to combat pollution.
Tea Retail Offsets Volatility: Fitch believes Sunshine's branded-tea segment will partly offset the volatility in the tea planation segment's profitability.
He added such a planation would prove to be a good source of income.