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Patina (/pəˈtiːnə/ pə-TEE-nə, or /ˈpætɪnə/ PAT-ih-nə) is a thin layer that variously forms on the surface of copper, brass, bronze, and similar metals and alloys (tarnish produced by oxidation or other chemical processes), or certain stones and wooden furniture (sheen produced by age, wear, and polishing), or any similar acquired change of a surface…
Usage, Applied patina & Acquired patina
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surface patinas copper also layer metal patination bronze often chemical used exposure alloys acid chemicals term weathering leather metals furniture
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Patina | is a | coating of various chemical compounds such as oxides | 0.90 | text |
| oxides | instance of | patina is a coating of various chemical compounds | 0.80 | text |
| carbonates | instance of | patina is a coating of various chemical compounds | 0.80 | text |
| sulfides | instance of | patina is a coating of various chemical compounds | 0.80 | text |
| or sulfates formed on the surface during exposure to atmospheric elements | instance of | patina is a coating of various chemical compounds | 0.80 | text |
| a coin or a piece of furniture over time.Archaeologists also use the term patina to refer to a corticateed | instance of | Patina also refers to accumulated changes in surface texture and color that result from normal use of an object | 0.80 | text |
| sulfur-containing acid rain | instance of | depending upon environmental conditions | 0.80 | text |
| muriatic acid | instance of | This can be done using various chemicals and substances | 0.80 | text |
| apple cider vinegar | instance of | This can be done using various chemicals and substances | 0.80 | text |
| or mustard | instance of | This can be done using various chemicals and substances | 0.80 | text |
| an orange or an apple | instance of | It can also be done by sticking the blade into any acidic vegetable or fruit | 0.80 | text |
| Patina | related to Acquired patina | The | 0.60 | section |
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