Noun corrosion has 2 senses
  1. corrosion - a state of deterioration in metals caused by oxidation or chemical action
    --1 is a kind of
    deterioration, impairment
    Derived form: verb corrode2
  2. corrosion, corroding, erosion - erosion by chemical action
    --2 is a kind of chemical process, chemical change, chemical action
    --2 has particulars: pitting, roughness, indentation; rust, rusting
    Derived forms: verb corrode1, verb corrode2
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