ebonite

不可数

A hard, non-resilient rubber material produced by vulcanizing natural rubber, often used for electrical insulation and other industrial applications.

• 🇨🇳硬质、无弹性的橡胶材料，由天然橡胶经硫化制成，常用于电绝缘和其他工业用途。

1. Hard rubber C1 formal technical

   A hard, non-resilient, black or dark-colored rubber produced by vulcanizing natural rubber with a high proportion of sulfur, often used for electrical insulation, combs, and buttons.

   • Early telephone receivers were often made of ebonite for its insulating properties.
   • The museum displayed a collection of 19th-century ebonite smoking pipes.
   • Ebonite is still used in some industrial applications because of its durability and resistance to chemicals.

   🇨🇳硬橡胶

   同义词: hard rubbervulcanite

• ebonites plural form
• ebonites' possessive plural form
• ebonite's possessive singular form