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hardness (noun)

См. также в других словарях:

  • hardness — hard ► ADJECTIVE 1) solid, firm, and rigid; not easily broken, bent, or pierced. 2) requiring or demonstrating a great deal of endurance or effort; difficult. 3) (of a person) not showing any signs of weakness; tough. 4) (of information or a… …   English terms dictionary

  • hardness — noun 1. the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale • Ant: ↑softness • Derivationally related forms: ↑hard • Hypernyms: ↑consistency, ↑consistence, ↑eubstance, ↑ …   Useful english dictionary

  • hardness — noun Date: before 12th century 1. the quality or state of being hard 2. a. the cohesion of the particles on the surface of a mineral as determined by its capacity to scratch another or be itself scratched compare Mohs scale b. resistance of metal …   New Collegiate Dictionary

  • hardness — noun a) The quality of being hard. b) An instance of this quality; hardship …   Wiktionary

  • temporary hardness — noun : the portion of the total hardness of water that is removable by boiling whereby the soluble bicarbonates of calcium and magnesium are converted into the corresponding insoluble carbonates and are precipitated distinguished from permanent… …   Useful english dictionary

  • hardness — I (New American Roget s College Thesaurus) Solidity Nouns 1. hardness, rigidity, inflexibility, temper, callosity; toughness; petrification, lapidification, lapidescence; vitrification, ossification; crystallization. See density, strength. 2.… …   English dictionary for students

  • hardness — / hɑ:dnəs/ noun ♦ hardness of the market the state of the market as being strong and not being likely to fall …   Marketing dictionary in english

  • hardness — / hɑ:dnəs/ noun ♦ hardness of the market the state of the market when it is strong and not likely to fall …   Dictionary of banking and finance

  • hardness — /ˈhadnəs/ (say hahdnuhs) noun 1. the state or quality of being hard. 2. an instance of this quality. 3. that quality in impure water which is imparted by the presence of dissolved salts, especially calcium sulphate. 4. Mineralogy the comparative… …  

  • permanent hardness — noun : the part of the total hardness of water that persists after boiling distinguished from temporary hardness …   Useful english dictionary

  • Brinell hardness — noun Etymology: Johann A. Brinell died 1925 Swedish engineer Date: 1915 the hardness of a metal or alloy measured by hydraulically pressing a hard ball under a standard load into the specimen …   New Collegiate Dictionary

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