sclerometer
scle·ro·me·ter
noun
1.
a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point
Origin
From sclero- + -meter.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.