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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.
Origin of corrode
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. 2016.
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British Dictionary definitions for corroding


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 corroding



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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