English to English

noun (n)

• a hard nonresilient rubber formed by vulcanizing natural rubber

  hard nonresilient karet dibentuk oleh vulcanizing natural rubber

  Synonym:
  ebonite, hard rubber
  

  source: wordnet30
• Hard rubber produced by vulcanizing with a large proportion of sulphur.

  keras getah yang dihasilkan oleh vulcanizing dengan banyak kadar dari belerang.

  source: webster1913