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[kuh-rohd] /kəˈroʊd/
verb (used with object), corroded, corroding.
to eat or wear away gradually as if by gnawing, especially by chemical action.
to impair; deteriorate:
Jealousy corroded his character.
verb (used without object), corroded, corroding.
to become corroded.
1350-1400; Middle English (< Middle French) < Latin corrōdere to gnaw to pieces, equivalent to cor- cor- + rōdere to gnaw; akin to rodent
Related forms
corrodent, noun
corroder, noun
corrodible, adjective
corrodibility, noun
noncorrodible, adjective
noncorroding, adjective, noun
uncorroded, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for corroded
  • But the evil has come with the good, and much fine gold has been corroded.
  • Thus, although the steel is corroded on the atomic level, it appears stainless.
  • We're lucky to have a lander survive a short while before it is fried by high temperatures and corroded.
  • When it did inspect it, four years later, it found that a six-mile length of pipeline was corroded.
  • The installer used grounding connectors meant for indoor use and they're already corroded.
  • The plutonium corroded nearly every container it was put in.
  • Tin roofs corroded and vegetable gardens shrivelled up.
  • The yawning seam and corroded bolt conceal their defects from the mariner until the storm calls all hands to the pumps.
  • Standing between the two is an administrative machine corroded by apathy and corruption.
  • Copper piping, coils or wires become blackened and corroded.
British Dictionary definitions for corroded


to eat away or be eaten away, esp by chemical action as in the oxidation or rusting of a metal
(transitive) to destroy gradually; consume: his jealousy corroded his happiness
Derived Forms
corrodant, corrodent, noun
corroder, noun
corrodible, adjective
corrodibility, noun
Word Origin
C14: from Latin corrōdere to gnaw to pieces, from rōdere to gnaw; see rodent, rat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for corroded



c.1400, from Old French corroder (14c.) or directly from Latin corrodere "to gnaw to bits, wear away," from com-, intensive prefix (see com-), + rodere "to gnaw" (see rodent). Related: Corroded; corroding.

Online Etymology Dictionary, © 2010 Douglas Harper
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