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Dictionary Meaning and Definition on 'Erosion'

Erosion Meaning and Definition from WordNet (r) 2.0
    erosion n
  1. (geology) the mechanical process of wearing or grinding something down (as by particles washing over it) [syn: eroding, eating away, wearing, wearing away]
  2. condition in which the earth's surface is worn away by the action of water and wind
  3. a gradual decline of something; "after the accounting scandal there was an erosion of confidence in the auditors"
  4. erosion by chemical action [syn: corrosion, corroding]
Erosion Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Erosion \E*ro"sion\, n. The wearing away of the earth's surface by any natural process. The chief agent of erosion is running water; minor agents are glaciers, the wind, and waves breaking against the coast.
Erosion Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Erosion \E*ro"sion\, n. [L. erosio. See Erode.]
  1. The act or operation of eroding or eating away.
  2. The state of being eaten away; corrosion; canker.
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Wikipedia Meaning and Definition on 'Erosion'

Erosion is the process of weathering and transport of solids (sediment, soil, rock and other particles) in the natural environment or their source and deposits them elsewhere. It usually occurs due to transport by wind, water, or ice; by down-slope creep of soil and other material under the force of gravity; or by living organisms, such as burrowing animals, in the case of bioerosion.

Erosion is a natural process, but it has been increased dramatically by human land use, especially industrial agriculture, deforestation, and urban sprawl. Land that is used for industrial agriculture generally experiences a significantly greater rate of erosion than that of land under natural vegetation, or land used for sustainable agricultural practices. This is particularly true if tillage is used, which reduces vegetation cover on the surface of the soil and disturbs both soil structure and plant roots that would otherwise hold the soil in place. However, improved land use practices can limit erosion, using techniques such as terrace-building, conservation tillage practices, and tree planting.

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'Erosion' in famous quotation sentence

* I am years gone from my family and miles away ... but they raid by telephone with jarring suddenness they have the cyclic constancy of a mortgage and they are inevitable and relentless, like the erosion of my remaining youth. Like certain frightening dreams, my family returns. - Jerrold Mundis

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