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1. An instrument for measuring the degree of hardness; especially, an instrument for testing the relative hardness of steel rails and the like.
   "The term durometer is often used to refer to the measurement as well as the instrument itself."
    
2. An instrument for measuring the degree of hardness; especially, an instrument for testing the relative hardness of steel rails and the like

Derived forms: durometers

Type of: measuring device, measuring instrument, measuring system, mechanical device

Encyclopedia: Durometer