Definition of Hardness:

  1. The quality or condition of being hard.

  2. Resistance of a material to deformation, indentation, or ■■■■■■■■■■■ by means such as abrasion, drilling, impact, scratching, and/or wear, measured by hardness tests such as Brinell, Knoop, Rockwell, or Vickers. Since there is no standard hardness scale, each test expresses its results in its unique (and arbitrarily defined) measure. For some metals (such as steel) the hardness and tensile strength are empirically related. Hardness of pliable materials such as plastics and rubbers is measured by instruments such as durometer. See also Mohs hardness scale.

  3. Measure of the quantity of dissolved minerals in water. See hard water for details.

Synonyms of Hardness

Philistinism, Abstruseness, Arduousness, Armor, Asperity, Astringency, Austerity, Bothersomeness, Burdensomeness, Callosity, Callousness, Callus, Closeness, Cohesiveness, Coldbloodedness, Coldheartedness, Coldness, Compactness, Complexity, Complication, Congestedness, Congestion, Consistence, Consistency, Crabbedness, Crampedness, Crowdedness, Cruelty, Deepness, Denseness, Density, Difficultness, Difficulty, Durability, Esoterica, Firmness, Flintiness, Formidable defenses, Fundamentalism, Gluiness, Grimness, Hairiness, Hard heart, Hard shell, Hardenedness, Hardheartedness, Hardiness, Hardness of heart, Hardship, Harshness, Heart of stone, Heartlessness, Impenetrability, Impenitence, Impenitentness, Impermeability, Imperviousness, Impliability, Imporosity, Inclemency, Incompressibility, Induration, Inexorability, Inexorableness, Inflexibility, Infrangibility, Insensitiveness, Insensitivity, Insolence, Intricacy, Inuredness, Irrepentance, Jammedness, Knottiness, Laboriousness, Lastingness, Leatherlikeness, Mercilessness, Nonrepentance, Obduracy, Obdurateness, Obstinacy, Onerousness, Oppressiveness, Orthodoxy, Pitilessness, Precisianism, Profoundness, Profundity, Purism, Puritanism, Reconditeness, Relative density, Relentlessness, Remorselessness, Resistance, Rhinoceros hide, Rigidity, Rigidness, Rigor, Rigorousness, Ropiness, Roughness, Ruggedness, Ruthlessness, Seared conscience, Severity, Short shrift, Solidity, Solidness, Soundness, Specific gravity, Spissitude, Stability, Stamina, Staunchness, Sternness, Stiffness, Stoniness, Stoutness, Strength, Strenuousness, Stringency, Stringiness, Stubbornness, Sturdiness, Temper, Tenacity, Tender mercies, Thick skin, Thickness, Toilsomeness, Toughness, Troublesomeness, Unabjectness, Unbendingness, Unbreakability, Unbreakableness, Uncompassionateness, Uncompromisingness, Uncontriteness, Unfeeling, Unfeelingness, Unforgivingness, Ungentleness, Unmercifulness, Unnaturalness, Unrelentingness, Unremorsefulness, Unresponsiveness, Unsympatheticness, Unyieldingness, Vicissitude, Vigor, Viscidity, Viscosity, Viscousness, Vitality, Firmness, Solidity, Stiffness, Rigidity, Denseness, Inflexibility, Inelasticity, Resistance

How to use Hardness in a sentence?

  1. The hardness of the material was not matched so that is why the scientist decided to use it in the formula.
  2. You need to know what the hardness of everything in your factory is to know which areas can handle different compounds.
  3. As evidenced by the tiny pock marks on the steel bar, the hardness of the material left a lot to be desired, and it would have to be changed, in order to be used for the bridge construction.
  4. People complained about the hardness of the chairs.

Meaning of Hardness & Hardness Definition

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