Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A hard rubber produced by vulcanization.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hard rubber made by vulcanization with sulfur; ebonite

from the GNU version of the Collaborative International Dictionary of English

  • n. Hard rubber produced by vulcanizing with a large proportion of sulphur.

from The Century Dictionary and Cyclopedia

  • n. The harder of the two forms of vulcanized india-rubber, the other form being known as soft rubber.
  • n. A name sometimes given to pyroxene, from its being found i n ejected blocks and lavas

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a hard nonresilient rubber formed by vulcanizing natural rubber

Etymologies

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