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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.]


(Geological Science) the erosion of a land surface until it is basically flat


(pleɪˈneɪ ʃən, plə-)

the erosional work done by streams that contributes to gradation of the land surface.


the formation of a flat or level surface by the process of erosion.
See also: Earth
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)
References in periodicals archive ?
EBITDAR margins to be maintained in the low double digit range over FY18-21 despite challenges faced by the pharmaceuticals and tea planation segments
Early harvesting period will also attract more planation which ensues in increasing green cover in the country, he added.
Tenders are invited for Tree planation on internal road of ujwa village ward no.
For the British regardless if they were Kikongo, Fanti, Tchamba, Popo, Madagascar or from any of the other African ethnicities in Jamaica, at the time, they posed a serious danger to white settlers, their planation economy, and to the use of enslaved laborers.
The relative stability of boulders and cobbles on intertidal platforms bears on models of planation and coastal recession.
Solha), the neighborhood's principal landowner, whose wealth originates upcountry, in a rural sugarcane planation.
00, Planation tour of Coleraine with Archaeologist Nick Brannon.
The different gravels studied here were generally divided into pedogenic and lithopedogenic, and their association in the soil profile suggests admixture of different parent materials by long-term planation and colluvial processes.
ISLAMABAD -- Under the Mission Green Islamabad, a comprehensive tree planation drive would be launched in the city by involving all segments of society.
Arthur Simpson-Kent, 48, was handcuffed after being found hiding in a coconut planation next to a beach in Ghana.
Frederick barely knew his mother--who lived on another plantation owned by Lloyd--and was mostly raised by his grandmother until he was about six-and-a-half, when he was moved to Wye House Planation to live close to Colonel Lloyd's main home.
Surfaces represented by cold spots of low HI values and low channel gradients observed in the high elevation headwaters of both basins are linked to isolated erosional planation surfaces that could be remnants of piracy processes.