silex
/'saileks/
Học thuậtThân thiện
Definition
- Noun:
- A pure form of finely ground silica: A type of material consisting of very fine particles of silica (silicon dioxide), often used in industrial applications or as an abrasive.
- A vacuum coffee maker: A specific type of coffee brewing device, typically a brand name, that uses a vacuum process.
Usage Examples
Noun (Material):
- The pottery glaze contained silex to increase its durability.
- Silex is sometimes used as a filler in paints and plastics.
Noun (Appliance):
- She brewed a pot of coffee using her grandmother's old silex.
- The silex coffee maker operates on a fascinating vacuum principle.
Advanced Usage
- Technical/Industrial Context: In manufacturing, "silex" can refer to the powdered silica material used for its hardness and chemical stability.
- The compound was polished with a paste containing silex.
Variants and Related Words
- Silica (n): Silicon dioxide, a hard, unreactive, colorless compound that occurs as quartz and in other minerals. It is the primary component of silex.
- Flint (n): A hard, sedimentary form of silica, often historically called "silex" and used to start fires.
Synonyms
- Powdered quartz
- Ground silica
- Vacuum coffee brewer (for the appliance meaning)
Notes on Different Meanings
The two primary meanings of "silex" are distinct: 1. The material science meaning refers to a processed, powdered form of silica. 2. The consumer product meaning is a proprietary name for a type of coffee maker, now often used generically for similar devices. This usage is less common in modern English.
Noun
- a vacuum coffee maker
- a pure form of finely ground silica