noun Date: 1877 the condition or process of becoming flattened

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Planation — is a geomorphic process which creates nearly flat surfaces by fluvial (river), alluvial (wind) and marine processes. The process is erosional and takes millions of years, and its legacy from the tertiary period (65 2Ma) is present in many of… …   Wikipedia

  • planation — ● planation nom féminin (latin planus, uni) Aplanissement par érosion latérale des cours d eau …   Encyclopédie Universelle

  • planation — [plā nā′shən] n. [ PLANE2 + ATION] the reduction of a land area by erosion to a nearly flat surface …   English World dictionary

  • planation — /play nay sheuhn, pleuh /, n. Geol. the process whereby an irregular land surface is made flat or level by erosion. [1875 80; PLANE1 + ATION] * * * …   Universalium

  • planation — noun The formation of a flat surface by erosion and deposition …   Wiktionary

  • planation — n. creation of a plain, creation of a flat land area by erosion (Geology) …   English contemporary dictionary

  • planation — pla·na·tion …   English syllables

  • planation — pla•na•tion [[t]pleɪˈneɪ ʃən, plə [/t]] n. gel the erosional work done by streams that contributes to gradation of the land surface • Etymology: 1875–80 …   From formal English to slang

  • planation — /pləˈneɪʃən/ (say pluh nayshuhn) noun Geology the erosional process by which flat surfaces are created on the earth s surface by means of water, as in a river or in the ocean, or by wind, as in a desert …   Australian English dictionary

  • planation — noun the process of erosion whereby a level surface is produced • Derivationally related forms: ↑plane • Hypernyms: ↑erosion, ↑eroding, ↑eating away, ↑wearing, ↑wearing away …   Useful english dictionary

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