patina
noun
- a fine crust or film on bronze or copper, usually green or greenish-blue, formed by natural oxidation and often valued as being ornamental
- any thin coating or color change resulting from age, as on old wood or silver
See patina in American Heritage Dictionary 4
(pătˈn-ə)
noun pl. pat·i·nae (pătˈn-ē)
(pătˈn-ə, pə-tēˈnə) also pa·tine (pă-tēnˈ)
noun- A thin greenish layer, usually basic copper sulfate, that forms on copper or copper alloys, such as bronze, as a result of corrosion.
- The sheen on any surface, produced by age and use.
- A change in appearance produced by long-standing behavior, practice, or use: a face etched with a patina of fine lines and tiny wrinkles.
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