Definition

Noun: 1. A fine, white clay: A soft, white, earthy material formed by the natural weathering of rocks containing aluminum minerals, such as feldspar. It is valued for its purity and plasticity when wet. 2. An industrial material: This substance is used extensively in the production of ceramics (like porcelain), as a coating and filler in paper manufacturing, and as an absorbent in various products.

Usage Examples

• Noun:
  • The porcelain's translucency comes from the high quality of the china clay used.
  • This region is famous for its deposits of china clay, which are mined for export.
  • The paper has a smooth, bright finish due to the china clay filler.

Advanced Usage

• "Kaolin" as a technical synonym: In industrial and geological contexts, "china clay" is almost always referred to by its mineral name, kaolin.
  • The chemical composition of kaolin is crucial for its use in pharmaceuticals.
• In art conservation: Kaolin (china clay) can be used as a gentle abrasive for cleaning delicate surfaces.
  • The conservator used a paste of china clay and water to clean the marble sculpture.

Variants and Related Words

• Kaolin (n): The standard mineralogical and industrial name for china clay.
  • Kaolinite is the principal mineral in kaolin.
• Kaolinite (n): The specific hydrated aluminum silicate mineral that is the primary component of china clay/kaolin.
• Porcelain clay (n): Another synonym emphasizing its use in making high-quality ceramics.
• White clay (n): A descriptive, non-technical term.

Synonyms

• Kaolin (n): The direct technical synonym.
• Porcelain clay (n): Highlights its ceramic application.
• White clay (n): A descriptive synonym.

Related Phrases

• China clay pit: Refers to the open-cast mine where china clay is excavated.
  • The landscape was marked by several large china clay pits.
• Kaolin processing: Refers to the industrial treatment of the mined clay to remove impurities.
  • The kaolin processing plant removes quartz and mica to produce a purer product.

Noun

1. 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)