vulcanite

from WordNet (r) 3.0 (2006)
vulcanite
    n 1: a hard nonresilient rubber formed by vulcanizing natural
         rubber [syn: {hard rubber}, {vulcanite}, {ebonite}]
    
from The Collaborative International Dictionary of English v.0.48
Vulcanite \Vul"can*ite\, n.
   Hard rubber produced by vulcanizing with a large proportion
   of sulphur.
   [1913 Webster]
    

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