Share this entry

Share this page

erosion

Line breaks: ero|sion
Pronunciation: /ɪˈrəʊʒ(ə)n
 
/

Definition of erosion in English:

noun

[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.
Synonyms
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.

Origin

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

Derivatives

erosional

1
adjective
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.

erosive

2
adjective
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.

Words that rhyme with erosion

corrosion, eclosion, explosion, implosion

Definition of erosion in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day cumbersome
Pronunciation: ˈkəmbərsəm
adjective
large or heavy and therefore difficult to carry…