'Ebonite' definitions:

Definition of 'ebonite'

(from WordNet)
noun
A hard nonresilient rubber formed by vulcanizing natural rubber [syn: hard rubber, vulcanite, ebonite]

Definition of 'Ebonite'

From: GCIDE
  • Ebonite \Eb"on*ite\, n. (Chem.) A hard, black variety of vulcanite. It may be cut and polished, and is used for many small articles, as combs and buttons, and for insulating material in electric apparatus. [1913 Webster]