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patination
patination (ˌpætɪˈneɪʃən) n (Metallurgy) the state of having a patina; the production of a patina
patination
patina, patination1. A greenish brown crust which forms on bronze. 2. Any thin oxide film which forms on a metal; often multicolored. 3. A film, similar in color, which forms on a material other than metal. 4. Such effects artificially induced, or imitated. 5. A green coating on the surface of copper or copper alloys that have been exposed to the atmosphere for a long time.ThesaurusSeepatina |