scratch hardness


noun
  1. 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

1
First recorded in 1925–30

Words Nearby scratch hardness

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024