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hard rubber

See more synonyms for hard rubber on Thesaurus.com
noun
  1. rubber vulcanized with a large amount of sulfur, usually 25–35 percent, to render it stiff and comparatively inflexible.
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Origin of hard rubber

First recorded in 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hard rubber

Historical Examples

  • His hand clutched 12the hard-rubber receiver with white strength.

    Whispering Wires

    Henry Leverage

  • His hand reached upward and lifted the hard-rubber receiver from the hook.

    Whispering Wires

    Henry Leverage

  • He took one step forward as Loris swished across the sitting-room, lifted the hard-rubber receiver and voiced a soft, “Hello!”

    Whispering Wires

    Henry Leverage

  • We have, then, a glass or hard-rubber jar containing two lead plates and a solution consisting of water and sulphuric acid.

    ABC of Electricity

    William Henry Meadowcroft

  • The touch key ended in a hard-rubber knob which could be brought in contact with the skin of the subject.


British Dictionary definitions for hard rubber

hard rubber

noun
  1. a hard fairly inelastic material made by vulcanizing natural rubberSee vulcanite
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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