'Corroded' definitions:

Definition of 'corroded'

adjective

Eaten away as by acid or oxidation

From: GCIDE

Corrode \Cor*rode"\ (k?r-r?d") v. t. [imp. & p. p. Corroded; p. pr. & vb. n. Corroding.] [L. corrodere, -rosum; cor + rodere to gnaw: cf. F. corroder. See Rodent.] [1913 Webster]
1. To eat away by degrees; to wear away or diminish by gradually separating or destroying small particles of, as by action of a strong acid or a caustic alkali. [1913 Webster]
Aqua fortis corroding copper . . . is wont to reduce it to a green-blue solution. --Boyle. [1913 Webster]
2. To consume; to wear away; to prey upon; to impair. [1913 Webster]

From: GCIDE

damaged \damaged\ (d[a^]m"[asl]jd), adj.
1. changed so as to reduce value, function, or other desirable trait; -- usually not used of persons. Opposite of undamaged. [Narrower terms: {battered, beat-up, beaten-up, bedraggled, broken-down, dilapidated, ramshackle, tumble-down, unsound}; {bent, crumpled, dented}; blasted, rent, ripped, torn; broken-backed; {burned-out(prenominal), burned out(predicate), burnt-out(prenominal), burnt out(predicate)}; {burst, ruptured}; corroded; cracked, crackled, crazed; defaced, marred; hurt, weakened; knocked-out(prenominal), knocked out; {mangled, mutilated}; peeling; scraped, scratched; storm-beaten] Also See blemished, broken, damaged, destroyed, impaired, injured, unsound. [WordNet 1.5]
2. Rendered imperfect by impairing the integrity of some part, or by breaking. Opposite of unbroken. [Narrower terms: busted; chipped; cracked; {crumbled, fragmented}; crushed, ground; dissolved; fractured; shattered, smashed, splintered; split; {unkept, violated}] Also See: damaged, imperfect, injured, unsound.
Syn: broken. [WordNet 1.5]
3. being unjustly brought into disrepute; as, her damaged reputation.
Syn: discredited. [WordNet 1.5]
4. made to appear imperfect; -- especially of reputation; as, the senator's seriously damaged reputation.
Syn: besmirched, flyblown, spotted, stained, sullied, tainted, tarnished. [WordNet 1.5]