kaolin
/'keiəlin/
Học thuậtThân thiện
Definition
- Noun:
- A fine, usually white clay: A type of soft, white clay formed by the weathering of aluminous minerals like feldspar. It is valued for its purity and is a key ingredient in many industrial and artistic applications.
Usage
- Primary Use: Kaolin is primarily used as a raw material in the production of ceramics, porcelain, and fine china.
- Industrial Use: It is widely employed as a filler or coating in paper manufacturing to improve gloss, opacity, and printability. It is also used as an absorbent in medicines and cosmetics, and as a pigment in paints and plastics.
Examples
- Noun:
- The porcelain vase was made from high-quality kaolin.
- The paper mill uses kaolin to give the paper a smooth, bright finish.
- Kaolin is sometimes used in anti-diarrheal medications due to its absorbent properties.
Advanced Usage
- "China clay": A common synonym for kaolin, emphasizing its use in fine ceramics.
- The region is famous for its deposits of china clay (kaolin).
Variants and Related Words
- Kaolinite (n): The specific mineral that is the primary constituent of kaolin clay.
- Under a microscope, you can see the plate-like crystals of kaolinite.
Synonyms
- China clay
- Porcelain clay
- White clay
Related Phrases
- Kaolin poultice: A medicinal paste made from kaolin, used topically.
- The doctor applied a kaolin poultice to reduce the inflammation.
Noun
- a fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper)