"corroding" in the noun sense
1. corrosion, corroding, erosion
erosion by chemical action
"corroding" 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"
Source: WordNet® (An amazing lexical database of English)
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