ebonite

/'ebənait/

Thân thiện

A scientist holds a piece of ebonite in the laboratory.

Definition

1. Noun:
   • A hard, nonresilient material: "Ebonite" is a hard, black substance made by vulcanizing natural rubber with a high percentage of sulfur. It is known for its rigidity and lack of elasticity.

Usage

• "Ebonite" is a technical term used primarily in industrial, manufacturing, and historical contexts to describe a specific type of hardened rubber. It is less common in everyday conversation.

Examples of Usage

• Noun:
  • The old fountain pen had a body made of ebonite.
  • Ebonite was commonly used for pipe stems and electrical insulation in the past.

Advanced Usage

• As a modifier: "Ebonite" can be used attributively to describe objects made from this material.
  • He collects vintage ebonite combs.

Variants and Related Words

• Vulcanite: This is a synonym for "ebonite," referring to the same hard rubber material.
• Hard rubber: This is a more general, descriptive term for "ebonite."

Synonyms

• Vulcanite
• Hard rubber

Antonyms

• Natural rubber (raw, unvulcanized rubber, which is soft and elastic)
• Resilient rubber (rubber that returns to its original shape after being compressed)

Học thuật

Noun

1. a hard nonresilient rubber formed by vulcanizing natural rubber

Từ đồng nghĩa

• hard rubber
• vulcanite