hard·ness (härd n s)n. 1. The quality or condition of being hard. 2. The relative resistance of a mineral to scratching, as measured by the Mohs scale. 3. The relative resistance of a metal or other material to denting, scratching, or bending. |
| hardness (härdns) A measure of how easily a mineral can be scratched. Hardness is measured on the Mohs scale. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | hardness - the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale consistency, eubstance, consistence, body - the property of holding together and retaining its shape; "wool has more body than rayon"; "when the dough has enough consistency it is ready to bake" firmness - the property of being unyielding to the touch incompressibility - the property of being incompressible softness - the property of giving little resistance to pressure and being easily cut or molded |
| 2. | hardness - a quality of water that contains dissolved mineral salts that prevent soap from lathering; "the costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present" quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare | |
| 3. | hardness - devoid of passion or feeling; hardheartedness insensitiveness, insensitivity - the inability to respond to affective changes in your interpersonal environment dullness - lack of sensibility; "there was a dullness in his heart"; "without him the dullness of her life crept into her work no matter how she tried to compartmentalize it." | |
| 4. | hardness - the quality of being difficult to do; "he assigned a series of problems of increasing hardness"; "the ruggedness of his exams caused half the class to fail" difficultness, difficulty - the quality of being difficult; "they agreed about the difficulty of the climb" | |
| 5. | hardness - excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp" sternness, strictness - uncompromising resolution |
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