D defs.my
Entry 1 sense Webster, 1913

Corrosion

/(k?r-r?"zh?n)/ · Cor·ro·sion · IPA /kəˈɹoʊʒən/
01 n. The action or effect of corrosive agents, or the process of corrosive change; as, the rusting of iron is a variety of corrosion.
  1. 1.
    The action or effect of corrosive agents, or the process of corrosive change; as, the rusting of iron is a variety of corrosion.
    Corrosion is a particular species of dissolution of bodies, either by an acid or a saline menstruum.” — John Quincy.