Corrosion
Pronunciation : Cor*ro"sion (kr-r"zhn)
Part of Speech : n.
Etymology : [LL. corrosio: cf. F. corrosion. See Corrode.]
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913