Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Hardness" Definition
noun
The quality or condition of being hard.
Source: American Heritage Dictionary
The relative resistance of a metal or other material to denting, scratching, or bending.
Source: American Heritage Dictionary
The relative resistance of a mineral to scratching, as measured by the Mohs scale.
Source: American Heritage Dictionary
Resistance of metal to indentation under a static load or to scratching.
Source: Merriam-Webster
The cohesion of the particles on the surface of a mineral as determined by its capacity to scratch another or be itself scratched .
Source: Merriam-Webster
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