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| e·ro·sion [ i rṓ'n ] |
noun |
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| Definition: |
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1. gradual breaking down: the gradual destruction or reduction and weakening of something
 The erosion of profits was due to careless management.
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2. wearing away of rock: the gradual wearing away of rock or soil by physical breakdown, chemical solution, and transportation of material, as caused, e.g. by water, wind, or ice
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| [Mid-16th century. < French érosion< Latin eros-, past participle of erodere (see erode)] |
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| e·ro·sion·al adjective |
| e·ro·sion·al·ly adverb |
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