Definition of erosion in English:

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Pronunciation: /ɪˈrəʊʒ(ə)n/


[mass noun]
1The process of eroding or being eroded by wind, water, or other natural agents: the problem of soil erosion
More example sentences
  • Severe wind and water erosion of the topsoil added to the degradation of the natural habitats, particularly on upland sites.
  • Wind and water erosion remove the most valuable part of the soil, the organic-rich upper horizon.
  • Most of Mars' surface was shaped later by meteorite impacts, volcanic eruptions and erosion by dust and wind.
1.1The gradual destruction or diminution of something: the erosion of support for the party
More example sentences
  • The metaphors of the loss, diminution, or erosion of state power can misrepresent this reconfiguration.
  • He then traced the gradual erosion of the conventions that had supported religious practice in Ireland.
  • 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.
wearing away, abrasion, scraping away, grinding down, crumbling, wear and tear, weathering, dissolving, dissolution;
eating away, gnawing away, chipping away, corrosion, corroding, attrition;
wasting away, rotting, decay;
undermining, weakening, sapping, deterioration, disintegration, destruction, spoiling
rare detrition
1.2 Medicine The gradual destruction of tissue or tooth enamel by physical or chemical action: the total area of haemorrhagic erosion
More example sentences
  • Teeth may be damaged by dental caries, trauma, erosion, attrition, and abrasion or lost through periodontal disease.
  • Frequent vomiting can cause retention of stomach acids in the mouth in turn leading to erosion of the tooth enamel.
  • A striking morphologic finding was a topographical relation of focal inflammation with sclerotic atrophy in areas with erosion of the epithelium.
1.3 [count noun] Medicine A place where surface tissue has been gradually destroyed: patients with gastric erosions
More example sentences
  • The most commonly missed upper gastrointestinal lesions are erosions in large hiatal hernias, arteriovenous malformations, and peptic ulcers.
  • Local tissue reactions were confined to the treatment site and included erythema, swelling, desquamation, erosions, and eschar in most patients.
  • Skin lesions present initially as bullae, which then rupture, leaving slow-healing erosions and crusted lesions.



Pronunciation: /ɪˈrəʊʒ(ə)n(ə)l/
Example sentences
  • Despite this bombardment, all ring moons have erosional lifetimes that exceed the solar system's age.
  • The trail sliced up through an erosional landscape of mesas and deep gorges where the bird life was stunning.
  • Over millions of years the erosional processes caused by wind and waves have shaped this sequence of rocks.


Pronunciation: /ɪˈrəʊsɪv/
Example sentences
  • People experience degrees of severity ranging from only symptoms to erosive esophagitis that damages your esophagus.
  • Her use of both additive and erosive techniques - like oil paint overlays and sanding away to reveal a hint of wood beneath - - add to the ambiguity of the final effect, suggesting the mystery of elements just out of sight.
  • Half a million visitors a year have taken their toll on the place, defiling the green shores and slopes of Walden Pond through the erosive effect of their activity.


Mid 16th century: via French from Latin erosio(n-), from erodere 'wear or gnaw away' (see erode).

Words that rhyme with erosion

corrosion, eclosion, explosion, implosion

For editors and proofreaders

Line breaks: ero|sion

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