Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A relatively inelastic rubber, made by vulcanization with a large amount of sulfur and used as an electrical insulating material.

from The Century Dictionary.

  • noun A black, hardened compound of caoutchoue or gutta-percha and sulphur in different proportions, to which other ingredients may be added for specific uses; properly, black vulcanite, but used also as a general synonym of vulcanite (which see).

from the GNU version of the Collaborative International Dictionary of English.

  • noun (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The relatively hard product of vulcanizing natural rubber with sulfur; vulcanite

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

  • noun a hard nonresilient rubber formed by vulcanizing natural rubber

Etymologies

Sorry, no etymologies found.

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Examples

  • The addition of about fifty per cent. changes the rubber to a hard black substance known as "ebonite," or "hard rubber."

    Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges 1895

  • I may mention as a curious thing that these ravenous animals, that devoured everything they came across, even to the ebonite points of our ski-sticks, never made any attempt to break into the provision cases.

    The South Pole~ At the Pole 2009

  • One way that they can be produced is as follows: A sharp-pointed needle is placed perpendicular to a non-conducting plate, such as of resin, ebonite, or glass, with its point very near to or in contact with the plate, and a high voltage Leyden jar a type of capacitor or a static electricity generator is discharged into the needle.

    Lichtenberg Figures 2007

  • One way that they can be produced is as follows: A sharp-pointed needle is placed perpendicular to a non-conducting plate, such as of resin, ebonite, or glass, with its point very near to or in contact with the plate, and a high voltage Leyden jar a type of capacitor or a static electricity generator is discharged into the needle.

    Archive 2007-02-01 2007

  • I may mention as a curious thing that these ravenous animals, that devoured everything they came across, even to the ebonite points of our ski-sticks, never made any attempt to break into the provision cases.

    The South Pole; an account of the Norwegian antarctic expedition in the 'Fram', 1910 to 1912 2003

  • The platinoid wire is insulated and the covering of silk that insulates it is wound on the ebonite bobbins just where my finger is.

    A Portrait of the Artist as a Young Man 2003

  • Some of the older anti-Byronists were able to fool with their parameters in systematic ways that would show up on the ebonite meters under the Swiss mountain: there were even a few self-immolations, hoping to draw the hit men down.

    Gravity's Rainbow Pynchon, Thomas 1978

  • Corresponding to the jaw is a built-up section, almost a facial codpiece, of iron and ebonite, perhaps housing a radio unit, thrusting forward in black fatality.

    Gravity's Rainbow Pynchon, Thomas 1978

  • Black chairs with the East German equivalent of PVC upholstery and chrome legs, an ebonite console on one wall with some of the panels illuminated.

    The Striker Portfolio Hall, Adam 1968

  • There were conspiratorial glances in his direction, because he had the expression he adopted on big days: his set look, his pipe at an angle, squeezed so tightly between his teeth that he had been known to snap the ebonite tip.

    Maigret Bides His Time Simenon, Georges, 1903- 1965

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