from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An instrument used to measure the hardness or stiffness of a material, especially of an elastomer, such as rubber. A simple durometer consists of a movable tip on a spring with a dial gauge.

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument for measuring the degree of hardness; especially, an instrument for testing the relative hardness of steel rails and the like.

from The Century Dictionary and Cyclopedia

  • n. An apparatus invented by Behrens for testing the hardness of steel rails.


Sorry, no etymologies found.



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  • A device for measuring hardness (not what you might think). More commonly used for plastics and rubber, this device also measures density. The hardness of roller derby wheels, for instance, are measured with a durometer.

    September 20, 2009