ebonite definition

  • noun:
    • a somewhat inelastic rubber, produced by vulcanization with a large amount of sulfur and utilized as an electrical insulating material.
    • The fairly hard item of vulcanizing all-natural plastic with sulfur; vulcanite
    • a difficult, black colored selection of vulcanite. It may be cut and refined, and it is used for many small articles, as combs and buttons, as well as for insulating material in electric device.
    • A black, hardened element of caoutchoue or gutta-percha and sulphur in numerous proportions, to which various other ingredients might be included for particular utilizes; precisely, black vulcanite, but used also as a broad synonym of vulcanite (which see).
    • a hard nonresilient rubber formed by vulcanizing all-natural plastic

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