Definition of patina

competent Definition: (adjective) having the skill and knowledge needed for a particular task; capable Petersons.com

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< patina

patinaed >

pat·i·na ²    (ptn-, p-tn) KEY   also pa·tine   (p-tn) KEY  

NOUN:

1. A thin greenish layer, usually basic copper sulfate, that forms on copper or copper alloys, such as bronze, as a result of corrosion.
2. The sheen on any surface, produced by age and use.
3. 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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ETYMOLOGY:
Italian, from Latin, plate (from the incrustation on ancient metal plates and dishes) ; see paten

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