What does "ebonite" mean?

The relatively hard product of vulcanizing natural rubber with sulfur; vulcanite.

What is a synonym for "ebonite"?

Common synonyms include: hard rubber, black, ebonitic, rubber, vulcanite, vulcanized rubber.

Pronounced //ˈɛb.əˌnaɪt//.

/ˈɛb.əˌnaɪt/ noun

noun ·Rare ·Advanced level

Noun

1
The relatively hard product of vulcanizing natural rubber with sulfur; vulcanite. countable, uncountable
2
a hard nonresilient rubber formed by vulcanizing natural rubber wordnet