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Merriam-Webster's Collegiate Dictionary cor·rode (cor·rod·ed ; cor·rod·ing) ETYMOLOGY Middle English, from Latin corrodere to gnaw to pieces, from com- + rodere to gnaw — more at rodent DATE 14th century transitive verb 1. to eat away by degrees as if by gnawing; especially : to wear away gradually usually by chemical action the metal was corroded beyond repair 2. to weaken or destroy gradually : undermine manners and miserliness that corrode the human spirit — Bernard De Voto intransitive verb : to undergo corrosion English Etymology corrode c.1400, from O.Fr . corroder, from L. corrodere "to gnaw to bits," from com- intensive prefix + rodere "to gnaw" (see rodent).http://O.Fr Oxford Advanced Learner's Dictionary-牛津双解-OALD7 corrode cor·rode / kE5rEud; NAmE kE5roud / verb to destroy sth slowly, especially by chemical action; to be destroyed in this way 腐蚀；侵蚀: ▪ [VN] Acid corrodes metal. 酸腐蚀金属。 (figurative) Corruption corrodes public confidence in a political system. 腐败可削弱公众对政治制度的信心。 ▪ [V] The copper pipework has corroded in places. 铜管有几处受到了腐蚀。 • cor·ro·sion / kE5rEuVn; NAmE -5rou- / noun [U] : Look for signs of corrosion. 寻找腐蚀的痕迹。 Clean off any corrosion before applying the paint. 先把锈迹清除干净再涂油漆。 Oxford Collocations Dictionary for Students of English corrode verb PHRASES be badly corroded If the pipe is badly corroded, it should be replaced. Webster's Third New International Dictionary, Unabridged cor·rode \kəˈrōd\ verb (-ed/-ing/-s) Etymology: Middle English corroden, from Latin corrodere to gnaw to pieces, from com- + rodere to gnaw — more at rat transitive verb 1. : to eat away by degrees as if by gnawing < corroded by consumption and indigence > : wear away or diminish by gradually separating or destroying small particles or converting into an easily disintegrated substance; especially : to eat away or diminish by acid or alkali reaction or by chemical alteration < the metal was corroded beyond repair by exposure > < the caustic substance corroded the material so that it fell apart in the hands > 2. obsolete : to eat or gnaw away 3. : to weaken or destroy (as spirit, strength, or force) by a gradual process of impairment < manners and miserliness that corrode the human spirit — Bernard DeVoto > intransitive verb 1. : to act corrosively < certain chemicals will corrode if left on bare metal > 2. : to undergo corrosion < the bare metal began to corrode after a few weeks of exposure to the weather > |
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