vulcanite

/'vʌlkənait/

Thân thiện

The dentist uses vulcanite to make a dental impression.

Definition

Noun: - A hard, non-elastic, and rigid material made by vulcanizing natural rubber with sulfur. It is a type of ebonite, often black in color, known for its durability and electrical insulating properties.

Usage

• Noun:
  • Vulcanite is commonly used for making pipe stems, jewelry, and electrical insulation.
  • The old telephone's handset was made of vulcanite.
  • Due to its hardness, vulcanite is not suitable for applications requiring flexible rubber.

Advanced Usage

• Technical/Historical Context: The term is often used in historical or specialized contexts (e.g., antique collectibles, material science) to describe objects made from this specific hardened rubber compound.
  • Collectors value vintage fountain pens with well-preserved vulcanite bodies.

Variants and Related Words

• Ebonite (noun): Another name for vulcanite, emphasizing its hard, black, horn-like quality.
• Hard Rubber (noun): A more general descriptive term for vulcanite.
• Vulcanize (verb): The process of treating rubber with sulfur and heat to give it strength and elasticity or, in the case of vulcanite, rigidity.

Synonyms

• Ebonite
• Hard rubber

Antonyms

• Natural rubber (raw, unvulcanized rubber)
• Soft rubber
• Elastic rubber

Học thuật

Noun

1. a hard nonresilient rubber formed by vulcanizing natural rubber

Từ đồng nghĩa

• hard rubber
• ebonite