Ebonite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]



From WordNet (r) 2.0 [wn]:

  ebonite
       n : a hard nonresilient rubber formed by vulcanizing natural
           rubber [syn: {hard rubber}, {vulcanite}]