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 hardness of materials, especially rubber and plastics
   "They used a durometer to test the firmness of the new shoe soles"

Derived forms: durometers

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

Encyclopedia: Durometer