durometer

[ doo-rom-i-ter, dyoo- ]
/ dʊˈrɒm ɪ tər, dyʊ- /

noun

a device for measuring the hardness of materials, especially metals.

Origin of durometer

1885–90; < Latin dūr(us) hard + -o- + -meter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019