sclerometric

sclerometer

[skli-rom-i-ter]
noun
any instrument for determining with precision the degree of hardness of a substance, especially a mineral, as by measuring the pressure necessary to pierce or scratch it.

Origin:
1875–80; sclero- + -meter

sclerometric [skleer-uh-me-trik, skler-] , adjective
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World English Dictionary
sclerometer (sklɪəˈrɒmɪtə)
 
n
an instrument that determines the hardness of a mineral or metal by means of a diamond point
 
sclerometric
 
adj

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