1. Plural of patina; thin layers or coatings that form on the surface of metals, wood, or other materials over time, often due to oxidation or weathering.
Usage: Primarily used in art, archaeology, and conservation contexts; Latin plural form; sometimes anglicized as 'patinas'
2. A distinctive character, appearance, or quality that develops or is acquired over time, especially through age or use.
Usage: Figurative sense; less common than the material sense

Examples

• The bronze sculptures developed beautiful green patinae after decades of exposure to the elements.
• Conservators carefully preserved the patinae on the ancient coins to maintain their historical value.
• The old furniture bore patinae that told stories of generations of use.
• Different metals form distinct patinae depending on their composition and environment.
• The patinae on the copper roof gave the building a distinctive appearance.