gỉ đồng
Học thuậtThân thiện
Definition
- Noun:
- Verdigris: A green or bluish-green layer that forms on the surface of copper, brass, or bronze due to oxidation and corrosion over time.
- Patina: A surface layer, often green, brown, or blue, that develops on copper or its alloys (like bronze) through long-term exposure to the elements, valued for its aesthetic appearance.
Usage Examples
- Noun:
- Trên bức tượng cổ có một lớp gỉ đồng rất đẹp. (The ancient statue has a very beautiful layer of verdigris.)
- Các thợ thủ công đôi khi tạo ra gỉ đồng một cách nhân tạo. (Artisans sometimes create a patina artificially.)
Advanced Usage
- As a desired aesthetic effect: In art and metalworking, "gỉ đồng" (patina) is often intentionally cultivated or chemically induced to give an object an aged, historic, or artistic appearance.
- Người nghệ sĩ đã xử lý kim loại để đạt được lớp gỉ đồng mong muốn. (The artist treated the metal to achieve the desired patina.)
Variants and Related Words
Gỉ sắt (n): Rust; the reddish-brown coating that forms on iron when exposed to air and moisture.
- Cánh cổng sắt đầy gỉ sắt. (The iron gate is full of rust.)
Ôxy hóa (n/v): Oxidation; the chemical process that causes metals like copper to develop "gỉ đồng".
Synonyms
- Verdigris: Specifically refers to the green coating, often basic copper carbonate.
- Patina: A broader term for the sheen or layer on any surface from age and use, commonly used for copper alloys.
- Copper rust: A descriptive, non-technical synonym.
Related Concepts
- Natural aging: The process where "gỉ đồng" forms naturally over decades of exposure to air, moisture, and pollutants.
- Chemical patination: The controlled application of chemicals to accelerate the formation of "gỉ đồng" on metal surfaces for decorative purposes.
- Verdigris, patina