chu sa
Definition
- Noun:
- Cinnabar: A bright red mineral form of mercury(II) sulfide (HgS), historically the principal ore of mercury and used as a pigment.
- Vermilion: The brilliant red pigment made by grinding cinnabar, traditionally used in art, lacquerware, and cultural artifacts.
Usage Examples
- Noun:
- Chu sa là một khoáng chất có màu đỏ rất đặc trưng. (Cinnabar is a mineral with a very distinctive red color.)
- Các bức tranh cổ thường sử dụng chu sa làm màu đỏ. (Ancient paintings often used vermilion for the red color.)
- Trong Đông y, chu sa đôi khi được sử dụng với liều lượng rất cẩn thận. (In traditional medicine, cinnabar is sometimes used with great caution.)
Advanced Usage
- "chu sa nguyên chất": pure cinnabar.
- Chiếc hộp sơn mài được trang trí bằng chu sa nguyên chất. (The lacquer box is decorated with pure vermilion.)
Variants and Related Words
- Đan sa (n): A synonym for "chu sa," also meaning cinnabar, often used in traditional medical contexts.
- Đan sa có trong một số bài thuốc cổ truyền. (Cinnabar is found in some traditional remedies.)
Important Note on Usage
- Toxicity: Cinnabar (mercury sulfide) is toxic due to its mercury content. Its use, especially internally in traditional medicine, requires extreme expertise and caution due to the risk of mercury poisoning. Modern usage is primarily restricted to art conservation and historical study.
Synonyms
- Cinnabar: The mineral mercury(II) sulfide.
- Vermilion: The red pigment derived from cinnabar.
- Mercuric sulfide: The chemical compound (HgS).