corrode

[kuh-rohd]
verb (used with object), corroded, corroding.
1.
to eat or wear away gradually as if by gnawing, especially by chemical action.
2.
to impair; deteriorate: Jealousy corroded his character.
verb (used without object), corroded, corroding.
3.
to become corroded.

Origin:
1350–1400; Middle English (< Middle French) < Latin corrōdere to gnaw to pieces, equivalent to cor- cor- + rōdere to gnaw; akin to rodent

corrodent, noun
corroder, noun
corrodible, adjective
corrodibility, noun
noncorrodible, adjective
noncorroding, adjective, noun
uncorroded, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
corrode (kəˈrəʊd)
 
vb
1.  to eat away or be eaten away, esp by chemical action as in the oxidation or rusting of a metal
2.  (tr) to destroy gradually; consume: his jealousy corroded his happiness
 
[C14: from Latin corrōdere to gnaw to pieces, from rōdere to gnaw; see rodent, rat]
 
cor'rodant
 
n
 
cor'rodent
 
n
 
cor'roder
 
n
 
cor'rodible
 
adj
 
corrodi'bility
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

corrode
c.1400, from O.Fr. corroder, from L. corrodere "to gnaw to bits," from com- intensive prefix + rodere "to gnaw" (see rodent).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
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.
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