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Từ điển WordNet v3.1 - WordNet Dictionary
erosion



noun
1. (geology) the mechanical process of wearing or grinding something down (as by particles washing over it) (Freq. 1)
Syn:
eroding, eating away, wearing, wearing away
Derivationally related forms:
wear away (for: wearing away), erode (for: eroding), erode
Topics:
geology
Hypernyms:
geological process, geologic process
Hyponyms:
chatter mark, ablation, abrasion, attrition, corrasion,
detrition, beach erosion, deflation, planation, soil erosion
2. condition in which the earth's surface is worn away by the action of water and wind
Derivationally related forms:
erode
Hypernyms:
environmental condition
3. a gradual decline of something
- after the accounting scandal there was an erosion of confidence in the auditors
Hypernyms:
decline, diminution
4. erosion by chemical action
Syn:
corrosion, corroding
Derivationally related forms:
corrode (for: corroding), corrode (for: corrosion)
Hypernyms:
chemical process, chemical change, chemical action
Hyponyms:
pitting, roughness, indentation, rust, rusting

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