scratch hardness
noun
resistance of a material, as a stone or metal, to scratching by one of several other materials, the known hardnesses of which are assembled into a standard scale, as the Mohs' scale of minerals.
Origin of scratch hardness
1First recorded in 1925–30
Words Nearby scratch hardness
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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