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vulcanite

[ vuhl-kuh-nahyt ]

noun

  1. a hard, readily cut and polished rubber, obtained by vulcanizing rubber with a large amount of sulfur, used in the manufacture of combs, buttons, and for electric insulation.


vulcanite

/ ˈvʌlkəˌnaɪt /

noun

  1. a hard usually black rubber produced by vulcanizing natural rubber with large amounts of sulphur. It is resistant to chemical attack: used for chemical containers, electrical insulators, etc Also calledebonite
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of vulcanite1

First recorded in 1830–40; Vulcan + -ite 1
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Example Sentences

But it would be well into the 20th Century - with acrylic replacing vulcanite, and fluoride put into toothpaste - before the next big improvements would arrive.

From BBC

Two parallel coils of wire were wound in channels cut round rings of brass, which, however, were cut across by slots filled with vulcanite, to prevent induced currents from circulating in the brass.

On no account must a syringe with a bone or glass or vulcanite point be used: the indiarubber nozzle is soft, and from it one or two drops can easily be inserted between the eyelids.

A zinc plate is suspended on each side of the copper oxide element and kept from coming in contact with the latter by means of vulcanite buttons.

"What colour might vulcanite be, sir?" murmured a voice beside me.

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vulcanismvulcanizate