erode

Definitions

  • WordNet 3.6
    • v erode remove soil or rock "Rain eroded the terraces"
    • v erode become ground down or deteriorate "Her confidence eroded"
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Webster's Revised Unabridged Dictionary
    • Erode To eat into or away; to corrode; as, canker erodes the flesh. "The blood . . . erodes the vessels.""The smaller charge is more apt to . . . erode the gun."
    • Erode (Geol. & Phys. Geog) To produce by erosion, or wearing away; as, glaciers erodeU-shaped valleys.
    • Erode to reduce or lessen as if by eroding; as, a politician's base of support is eroded by evidence of corruption; the buying power of the dollar is eroded by inflation.
    • Erode (Geol. & Phys. Geog) To wear away; as, streams and glaciers erode the land.
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Century Dictionary and Cyclopedia
    • erode To gnaw or eat into or away; corrode.
    • erode Hence To wear away, as if by gnawing: specifically used in geology of the action of water, etc., in wearing down the earth's surface.
    • erode To become worn away.
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Chambers's Twentieth Century Dictionary
    • v.t Erode e-rōd′ to eat away: to wear away
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Quotations

  • Karl Marx
    Karl%20Marx
    “All social rules and all relations between individuals are eroded by a cash economy, avarice drags Pluto himself out of the bowels of the earth.”
  • John F. Kennedy
    John%20F.%20Kennedy
    “Peace is a daily, a weekly, a monthly process, gradually changing opinions, slowly eroding old barriers, quietly building new structures.”

Etymology

Webster's Revised Unabridged Dictionary
L. erodere, erosum,; e, out + rodere, to gnaw. See Rodent
Chambers's Twentieth Century Dictionary
L. e, out, rodĕre, rosum, to gnaw.

Usage

In literature:

The gills are adnexed, subdistant, white, becoming grayish, edges more or less eroded.
"The Mushroom, Edible and Otherwise" by M. E. Hard
We have had stately, eroded hills, and broad, fertile bottoms, hemming us in all day, and marvelous ox-bows in the erratic stream.
"Afloat on the Ohio" by Reuben Gold Thwaites
The area up-stream from the culvert will not erode below the level of the top of the box at the inlet end.
"American Rural Highways" by T. R. Agg
At its toe water had leaped down and eroded a slight groove in the solid rock.
"A Mountain Boyhood" by Joe Mills
Rock outcroppings were everywhere, but all were eroded and in places polished smooth as glass.
"The Long Voyage" by Carl Richard Jacobi
Eroded walls; niches and tiny gullies; crevices and an arching dome high overhead.
"Astounding Stories of Super-Science, November, 1930" by Various
The eroded city walls rose above them, occupied more and more of the sky.
"Sjambak" by John Holbrook Vance
In private cold, my face burns a tallow white, toes flake in frostbite or erode every sensation.
"Eyeshine" by Paul Cameron Brown
But he knew that they were only a stopgap, only a temporarily shoring of a constantly-eroding dam.
"The Dueling Machine" by Benjamin William Bova
There were traces of inscription on it, but eroded to illegibility.
"Where the World is Quiet" by Henry Kuttner
It would take a lot of time to erode away that much massive stone.
"The Egyptian Cat Mystery" by Harold Leland Goodwin
Wind-driven sand erodes and polishes the rocks.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5" by Various
They lie upon an eroded Cenomanian surface and are to some extent interbedded with Upper Cretaceous sediments.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 6" by Various
Massive columns had eroded slowly into stone toothpicks.
"Shock Treatment" by Stanley Mullen
Overdeepening would be expected, because glaciers erode without reference to existing baselevels.
"Drainage Modifications and Glaciation in the Danbury Region Connecticut" by Ruth Sawyer-Harvey
A river saws its channel vertically downwards, and a swift stream erodes chiefly at the bottom.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2" by Various
Its harbour, an extinct crater on the north coast, with an entrance eroded by the sea, affords complete shelter from every wind.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3" by Various
Some years ago the writer visited this cave and had an opportunity to study the wonderful eroding or gnawing-out effect of water on limestone.
"Nature's Miracles, Volume 1" by Elisha Gray
From this fold the stratified beds have in large part been removed, the more recent having been almost entirely eroded from the elevated mass.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1" by Various
The gravel again rests upon gneiss, which has been eroded to the depth of 50 feet.
"A Manual of Elementary Geology" by Charles Lyell
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In poetry:

Years like moths
erode internal organs
hanging or falling
in a spoiled closet.
"An Old Woman" by Mina Loy
And now upstairs the lint that crusts the sills
Erodes in a windy shift along the floor.
Shall now her touselled eyes rinse out the haze
Of winter sprawled like a waif outside the door?
"Obituary" by Allen Tate
Since we agreed to let the road between us
Fall to disuse,
And bricked our gates up, planted trees to screen us,
And turned all time's eroding agents loose,
Silence, and space, and strangers - our neglect
Has not had much effect.
"No Road" by Philip Larkin

In news:

Jefferson Parish committed to buying out homeowners on section of eroding Bonnabel Canal.
Eroding Alaska Village Newtok Hits Snag with Relocation to Mertarvik.
Our Rights are Eroding Or so We are Told.
Mitt Romney's economic lead over President Obama is eroding , according to poll.
Why Rick Santorum's once-generous lead in Wisconsin is eroding .
Developer interest in Android slowly eroding .
Technology eroding our sense of community.
Ohio building with ties to Wright brothers eroding .
Trustees' support for Paterno eroding .
Support for Paterno eroding , says high-ranking Penn State official.
App sandboxing risks eroding the Mac's identity.
Official tells AP that support for Paterno eroding .
African-American Middle Class Eroding As Unemployment Rate Soars.
California can relieve packed prisons without eroding safety.
How Rising Gas Prices Are Eroding the American Dream.
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In science:

The exponential behavior of Eq. (18) implies that there is a unique “melting rate” at which the cluster boundaries get eroded as H increases and that the process is otherwise similar for all ∆.
Susceptibility and Percolation in 2D Random Field Ising Magnets
The binary orbital decay heats the surrounding stars, eroding a preexisting stellar cusp ∝ r−2 .
The formation of galaxy stellar cores by the hierarchical merging of supermassive black holes
More massive halos have more massive nuclear BHs and experience more merging events than less massive galaxies: hence they suffer more from the eroding action of binary SMBHs and have larger cores.
The formation of galaxy stellar cores by the hierarchical merging of supermassive black holes
In a fast shock, the grain material can be eroded by the process of “sputtering”, where individual atoms or ions from the gas collide with the grain, occasionally ejecting one of the grain atoms.
Astrophysics of Dust in Cold Clouds
These stars make up the core of satellites whose orbits are eroded, circularized, and brought into the plane of the galaxy before being disrupted.
The Hierarchical Formation of the Galactic Disk
He explored the possibility 60 ob jects, second epoch radial velocities were measured. that a pre-stellar core is eroded by the ionising radiation With sensitivities of 300 m s−1 the minimum separations of of a nearby OB star.
Formation and Evolution of Very Low Mass Stars and Brown Dwarfs
These collisions erode the grains, liberating volatile material from their mantles and refractory material from their cores.
The chemistry of high-mass star formation
As supersymmetry breaking increases, and m approaches Λ, theoretical control erodes, and is finally lost at m ∼ Λ.
$k$ Strings from Various Perspectives: QCD, Lattices, String Theory and Toy Models
In recent high resolution numerical studies of the growth of moderate clusters, Gnedin (2003a,b) has shown how this process can secularly erode galaxy halos, thicken moderate mass stellar disks and truncate SF, and destroy small disks.
Galaxy Collisions - Dawn of a New Era
The L1228 outflow is currently eroding the surrounding envelope by accelerating high-density ambient gas along the outflow-envelope interface and has the potential to further widen the cavities, as the outflow ram pressure is about a factor of 4 higher than the infall ram pressure (Arce and Sargent, 2004).
Molecular Outflows in Low- and High-Mass Star Forming Regions
Boss (2006b) suggests that such unstable disks, when formed in high–mass, dense stellar clusters, are likely to be exposed to EUV/FUV irradiation that may quickly erode the contracting protoplanetary atmospheres.
Disks around Brown Dwarfs and Cool Stars
All material from such grains ejected into the gas phase rapidly mixes with the existing ISM gas-phase material and the specific isotopic anomalies carr ied by the stardust material are lost by mixing together eroded material of grains from many different kinds of stellar sources.
Evolution of interstellar dust and stardust in the solar neighbourhood
Then, in the interior, shear turbulence becomes active and erodes the gradients built by the meridional circulation.
Evolution towards the critical limit and the origin of Be stars
Indeed during this phase, meridional currents build the gradient of Ω, a process that diffusion cannot do, diffusion always eroding any gradient. 2.
Evolution towards the critical limit and the origin of Be stars
However, as it is expected that the first wall in a real fusion reactor will erode by up to a few mm per fusion year, the required thin walls seem to be one additional impossible assumption made by the fusion proponents.
The Future of Nuclear Energy: Facts and Fiction Chapter IV: Energy from Breeder Reactors and from Fusion?
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