Hardness
Translation- Hardness
- Hardness Hard"ness, n. [AS. heardness.]
1. The quality or state of being hard, literally or
figuratively.
[1913 Webster]
The habit of authority also had given his manners some peremptory hardness. --Sir W. Scott. [1913 Webster]
2. (Min.) The cohesion of the particles on the surface of a body, determined by its capacity to scratch another, or be itself scratched; -- measured among minerals on a scale of which diamond and talc form the extremes. [1913 Webster]
3. (Chem.) The peculiar quality exhibited by water which has mineral salts dissolved in it. Such water forms an insoluble compound with soap, and is hence unfit for washing purposes. [1913 Webster]
Note: This quality is caused by the presence of calcium carbonate, causing temporary hardness which can be removed by boiling, or by calcium sulphate, causing permanent hardness which can not be so removed, but may be improved by the addition of sodium carbonate. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
Look at other dictionaries:
hardness — 1> твердость, крепость Ex: hardness testing тех. испытание на твердость 2> суровость (климата) 3> жесткость (воды и т. п.) 4> физ. жесткость (излучения) 5> фот. резкость (изображения) 6> воен. степень защищенности от ядерного взрыва (стартовой… … Новый большой англо-русский словарь
hardness — noun 1) твердость, степень твердости; плотность, прочность 2)жесткость (воды) 3) суровость (климата) 4) attr. hardness testing … Англо-русский словарь Мюллера
Hardness — Hardness. См. Твердость. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) … Словарь металлургических терминов
Hardness — This article is about mechanical properties of materials. For other uses, see Hard. Hardness is the measure of how resistant solid matter is to various kinds of permanent shape change when a force is applied. Macroscopic hardness is generally… … Wikipedia
hardness — 1) твёрдость 2) жёсткость 3) стойкость 4) суровость (климата) • abrasion hardness ageing hardness ball hardness Barcol hardness Brinell hardness calcium hardness carbonate hardness coal hardness coke hardness conical indentation hardness diamond… … Англо-русский словарь технических терминов
hardness — 1) твердость 2) жесткость 3) твердомер – abrasion hardness – abrasive hardness – degree of hardness – hardness number – hardness of concrete – hardness of radiation – hardness of water – hardness scale… … Англо-русский технический словарь
hardness — /hahrd nis/, n. 1. the state or quality of being hard: the hardness of ice. 2. a relative degree or extent of this quality: wood of a desirable hardness. 3. that quality in water that is imparted by the presence of dissolved salts, esp. calcium… … Universalium
hardness — water with a high mineral content, the name deriving from the fact that it is hard to develop a lather for cleaning. The concentration of calcium and magnesium ions in water is expressed as p.p.m. or mg/l of calcium carbonate equivalents. Soft… … Dictionary of ichthyology
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 — твёрдость; жёсткость; стойкость hardness of water abrasion hardness alkaline hardness attrition hardness bicarbonate hardness Brinell hardness calcium hardness carbonate hardness diamond pyramid hardness indentation hardness noncarbonate hardness … Англо-русский словарь строительных терминов
Фильмы
- Ice And Fantasy, 1975 — Annotation: A film about the champions in figure skating I. Pakhomova and A. Gorshkov. History: The film tells of a serious, hard work, the creative search Honored Master of Sports, five times world…
- Temporary Resident Workers, Of The Forth Dream., 1988 — Annotation: About the invitation of nonresident citizens for hard work in Moscow, a panorama of live of workers is displayed
- Marathon for the losers. It is hard to be a champion. The health of the hole., 1984 — Film description: 1syuzh. - Marathon Ski Race "Ski Russia-84" in Moscow: cross-country skiers at a distance, the award winners. 2syuzh. - Matches the USSR Championship in football in 1983 - the game…