- 1) geology Mechanical or chemical breaking down of rocks in situ by weather or other causes.
- 2) obsolete Weather, especially favourable or fair weather.
- 3) architecture A slight inclination given to an approximately horizontal surface to enable it to throw off water.
- 4) Any of the chemical or mechanical processes by which objects exposed to the weather are worn or broken down.
- 5) (Geol.) The action of the elements on a rock in altering its color, texture, or composition, or in rounding off its edges.
- 6) Weather, especially favorable or fair weather.
- 7) In architecture, a slight inclination given to an approximately horizontal surface to enable it to throw off water.
- 8) In geology, etc., the action of the elements in changing the color, texture, or composition of rock, in rounding off its edges, or gradually disintegrating it.
- 9) Present participle of weather.
- 1) mathematics, image processing One of two fundamental operations in morphological image processing from which all other morphological operations are derived.
- 2) medicine A shallow ulceration or lesion, usually involving skin or epithelial tissue.
- 3) uncountable The result of having been being worn away or eroded, as by a glacier on rock or the sea on a cliff face.
- 4) uncountable The changing of a surface by mechanical action, friction, thermal expansion contraction, or impact.
- 5) uncountable Destruction by abrasive action of fluids.
- 6) dentistry Loss of tooth enamel due to non-bacteriogenic chemical processes.
- 7) The process of eroding or the condition of being eroded.
- 8) The group of natural processes, including weathering, dissolution, abrasion, corrosion, and transportation, by which material is worn away from the earth's surface.
- 9) The act or operation of eroding or eating away.
- 10) 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.
- 11) fig. a gradual reduction or lessening as if by an erosive force.
- 12) The state of being eaten away; corrosion; canker.
- 13) a gradual decline of something
- 14) erosion by chemical action
- 15) condition in which the earth's surface is worn away by the action of water and wind
- 16) In geology, the wearing away of rocks by water and other agencies of geological change.
- 17) In zoology, the abrasion or wearing away of a surface or margin, as if by gnawing; the state of being erose; the act of eroding.
- 18) Hence The act of wearing away by any means.
- 19) The state of being eaten or worn away; corrosion; canker; ulceration.
- 20) The act or operation of eating or gnawing away.
- 1) Romira gestured with the gun towards the ` weathering " tank.
- 2) Central Park loomed across the street, naked trees and muddy paths and a string of empty park benches, weathering.
- 3) I wish you well in weathering this storm and can only hope that things will quiet back down after tomorrow.
- 4) Her 1981 publication Practicing History: Selected Essays was a retrospective of her essays that she identified as weathering the tests of time.
- 5) In order to have a better understanding of how a material performs over time, scientists usually perform both long-term weathering in natural environments and a series of performance tests to determine when and how a material fails.
- 6) I'm heavily involved in all aspects of the broader project, but my own interests really lie with rocks-the aquifer system that is flowing underneath North Pond, and what kind of intraterrestrial microbes might colonize rock, inhabiting the nooks and crannies of volcanic basalt and catalyzing reactions that result in "weathering" - like what you can see on old buildings, roads and rock outcrops on the continents.
- 7) Although designed only for short trading missions up and down rivers and along China’s coast, the junk succeeded in weathering the storm and eventually passed into calmer waters.
- 8) [Image: "Coupons" of metal tested for their long-term weathering and resilience; courtesy of the
- 9) This crumbling we generally call weathering, and regard it as due to the effect of moisture and cold upon the rocks, together with the oxidizing action of the air.
- 10) The mountain, however, showed now on the port bow; so, the ship must necessarily have run down a considerable portion of the western coast, after they had abandoned the idea of weathering the island on the port tack -- which they had done as soon as they were alarmed by the sound of breakers, letting her drive to leeward -- before the collision with the berg.
- 11) CarbFix's designers, in effect, are radically speeding up the natural process called weathering, in which weak carbonic acid in rainwater transforms rock minerals over geologic time scales.
- 12) However, as we were so near the S.E. end of it, and as the least shift of wind, in our favour, would serve to carry us round, I did not wholly give up the idea of weathering it, and therefore continued to ply.
- 1) You can see that tendency paralleled in his books, in the steady erosion of individual significance.
- 2) And as he witnessed the steady erosion of the wilderness, the hunger in him grew to leap the fences and be part of it, before it was gone.
- 3) In the drier lands to the east, the clearance of the forest to make way for cattle had caused catastrophic soil erosion.
- 4) The erosion had the characteristic signature of gamma assemblers.
- 5) Under the term erosion I include the action of water, of ice, and of the atmosphere, including frost and rain.
- 6) Both of these trends make sense but I think Lovell makes a more interesting observation when he talks about what he describes as the erosion of the hardcore.
- 7) Later, explaining his opinion to a reporter, Sununu cited a $250 million state budget deficit; what he called the erosion of family values in the last legislative session; and Lynch's failure to persuade lawmakers from his own party to vote for his constitutional amendment on education.
- 8) This erosion is most definitely due to modern communication.
- 9) MPs on the committee called for the World Service budget to be protected to "prevent any risk of long-term erosion of the World Service's funding and of parliament's right to oversee its work".
- 10) It looks like investors populating NLY options are bracing for near-term erosion in the price of the REITs shares through August expiration.
- 11) The financial erosion from the credit crunch also has affected Europe.
- 12) Still, it's worth considering whether something other than normal erosion is affecting American Idol (Fox, tonight, 8 ET/PT).
- 13) ‘Severe wind and water erosion of the topsoil added to the degradation of the natural habitats, particularly on upland sites.’
- 14) ‘Wind and water erosion remove the most valuable part of the soil, the organic-rich upper horizon.’
- 15) ‘Most of Mars' surface was shaped later by meteorite impacts, volcanic eruptions and erosion by dust and wind.’
- 16) ‘However, the significance of glacial processes as agents of erosion has been disputed by Boardman.’
- 17) ‘They are important for soil stability, decreasing sediment loss from both wind and water erosion.’
- 18) ‘Continued erosion by fast-flowing water eroded the uplands to the north of the Gippsland Basin and covered the coal measures with sands and gravels.’
- 19) ‘The animation in the lesson shows the process of wind erosion, depicting the dynamics of small and large soil particle movement due to wind.’
- 20) ‘The river is characterized by low hydraulic gradients, a lack of flushing, and a scarcity of natural uncontaminated sediment from erosion of upstream soils.’
- 21) ‘The roots of his cover crops hold water in the sandy soils, break up the heavy clay soils to allow for better water infiltration, and hold the soil to prevent water and wind erosion all year.’
- 22) ‘Do not till if only a limited amount of crop residue is present after harvest since tillage will make the soil susceptible to wind and water erosion.’
- 23) ‘Vigorously growing crops hold the soil and nutrients in place while protecting the soil from wind and water erosion.’
- 24) ‘If the soil is subject to wind and water erosion, it will be important to provide cover to protect the soil.’
- 25) ‘If we do nothing and the wind and soil erosion continue, it's likely that the wheat in some parts of the field will be killed.’
- 26) ‘However, they'll be more residue where water is available, helping protect the soil from wind erosion.’
- 27) ‘Soil compaction causes farmers a lot of problems by preventing moisture from seeping down to plant roots and by increasing water runoff and wind erosion.’
- 28) ‘Such factors affect both water and wind erosion (particularly important in northwestern Ohio).’
- 29) ‘Protect slopes from wind and water erosion during establishment.’
- 30) ‘They recommended that women use native grasses to protect against wind and water erosion.’
- 31) ‘The dams are affected by wind and water erosion to various degrees depending on the amount of vegetation cover.’
- 32) ‘They also made carvings deep, knowing well that erosion by wind and water can erase them.’
- 33) ‘The metaphors of the loss, diminution, or erosion of state power can misrepresent this reconfiguration.’
- 34) ‘He then traced the gradual erosion of the conventions that had supported religious practice in Ireland.’
- 35) ‘The representative from the Chamber of Commerce warned of a loss of passing trade, the threat to business and the gradual erosion of the city centre due to the lower overheads of out-of-town retail parks.’
- 36) ‘White America's problem is a loss of moral grounding and gradual erosion of its family structure.’
- 37) ‘Once the basic rights of the players are met, the national progression will be the gradual erosion of the amateur status.’
- 38) ‘‘Any further erosion in public sector support will inevitably lead to fundamental changes in the nature of the event itself,’ he writes.’
- 39) ‘Because Labour currently only holds party list seats in the Highlands & Islands, it is little affected by the apparent erosion of its second vote support.’
- 40) ‘They tend to confirm an amount of erosion in her home support base.’
- 41) ‘What could not be achieved frontally may arrive more gradually, by erosion of social protections rather than assault on them; perhaps the more typical route in any case.’
- 42) ‘What has had the most profound impact on the gradual erosion of England's expectations over the past few months is the cruelly high number of injuries which have afflicted the squad.’
- 43) ‘Rural communities have seen this gradual erosion of facilities over a long period.’
- 44) ‘What the council cannot do is ignore the gradual erosion of the village's character through unlawful acts.’
- 45) ‘Unfortunately, in the past few years, she's been let down by the gradual erosion of her memory.’
- 46) ‘He appears to desire the absolute destruction of the enemy forces, not the gradual erosion of the enemy force which is attrition.’
- 47) ‘Ultimately, the democratic process began to work as it should, and erosion of popular support and active protest brought the war to an end without victory.’
- 48) ‘We may see the gradual erosion of the two party system and an enormous fracturing of the vote over the next couple of decades.’
- 49) ‘Some feel the business will suffer further erosion and that Edinburgh will be reduced to a supporting role.’
- 50) ‘The whole system is based on privatized patronage and the prohibition and erosion of real, functioning democracy - in other words, broad accountability.’
- 51) ‘Further erosion of the establishment's protective shell was postponed by the Second World War where, as always, the truth was the first casualty.’
- 52) ‘The end of racism is the solution to the colour-coded erosion of the justice system and the end of imperialism and neo-colonisation.’
- 53) ‘Teeth may be damaged by dental caries, trauma, erosion, attrition, and abrasion or lost through periodontal disease.’
- 54) ‘Frequent vomiting can cause retention of stomach acids in the mouth in turn leading to erosion of the tooth enamel.’
- 55) ‘A striking morphologic finding was a topographical relation of focal inflammation with sclerotic atrophy in areas with erosion of the epithelium.’
- 56) ‘Similarly, it is the frequency of acidic food and drinks - rather than the amount - that affects tooth erosion.’
- 57) ‘Symptoms vary from pain and ulceration to bleeding, loose teeth, and bone erosion.’
- 58) ‘The most commonly missed upper gastrointestinal lesions are erosions in large hiatal hernias, arteriovenous malformations, and peptic ulcers.’
- 59) ‘Local tissue reactions were confined to the treatment site and included erythema, swelling, desquamation, erosions, and eschar in most patients.’
- 60) ‘Skin lesions present initially as bullae, which then rupture, leaving slow-healing erosions and crusted lesions.’
- 61) ‘Physical findings never reveal primary skin lesions, only secondary erosions, ulcers, and crusts and scars, which are often linear in appearance.’
- 62) ‘Intact blisters outnumber erosions because these bullae are not easily unroofed.’