"corroded" in the verb sense
1. corrode, eat, rust
cause to deteriorate due to the action of water, air, or an acid
"The acid corroded the metal"
"The steady dripping of water rusted the metal stopper in the sink"
2. corrode, rust
become destroyed by water, air, or a corrosive such as an acid
"The metal corroded"
"The pipes rusted"
"corroded" in the adjective sense
1. corroded
eaten away as by acid or oxidation
Source: WordNet® (An amazing lexical database of English)
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