1. The act of coating iron or steel with zinc, either by immersion in a bath of molten zinc or by deposition from a solution of zinc sulphate, to give protection against corrosion. (TIB, GEMET - General Multilingual Environmental Thesaurus). 2. galvanizing, protection of iron or steel against exposure to the atmosphere and consequent rusting by application of a zinc coating. Properly applied, galvanizing may protect from atmospheric corrosion for 15 to 30 years or more. (Britannica). 3. Galvanization (also spelled galvanisation)[1] is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are coated by submerging them in a bath of hot, molten zinc. (Wikipedia).