英语词汇“hard water”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

19. Of water: containing relatively high concentrations of dissolved calcium and magnesium salts which decompose soap and make lathering difficult, and also make the water more likely to produce deposits of scale. Frequently in hard water (also attributive). Contrasted with soft adj. 25.

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the world > matter > liquid > water > [adjective] > properties or characteristics of water > containing mineral

hard1660

1660 F. Brooke tr. V. Le Blanc World Surveyed 18 The water was sharp and hard [Fr. aspre], but nothing brackish.

1686 R. Plot Nat. Hist. Staffs. ix. 356 Esteemed but a lean hard water.

1756 C. Lucas Ess. Waters i. 83 Hard waters are the best for builders and plasterers.

1776 W. Reddington Pract. Treat. Brewing (ed. 3) ii. 20 A second reason why soft Water is to be preferred, is, that it more readily purges itself than hard Water.

1805 W. Saunders Treat. Mineral Waters (ed. 2) 305 A very hard water, curdling soap, and possessing a large portion of selenite and earthy carbonats.

1849 R. T. Claridge Cold-water Cure (1869) 85 Hard water makes the skin rough, but soft water, on the contrary, renders it smooth.

1959 Design Oct. 59/2 The heater is easy to keep clean, and descale where the water is hard.

1981 J. Halliday & J. Halliday in K. Thear & A. Fraser Compl. Bk. Livestock & Poultry (1988) iv. 95/2 For preference, use rain water as hard tap water may cause urinary calculi and consequent urethral blockage.

2004 P. Hymers New Home Builder x. 189 The electronic scale-reducers on the market..effectively stop limescale from building up but still leave the water hard.

单词	hard water
释义	> as lemmas hard water 19. Of water: containing relatively high concentrations of dissolved calcium and magnesium salts which decompose soap and make lathering difficult, and also make the water more likely to produce deposits of scale. Frequently in hard water (also attributive). Contrasted with soft adj. 25. ΘΚΠ the world > matter > liquid > water > [adjective] > properties or characteristics of water > containing mineral hard1660 1660 F. Brooke tr. V. Le Blanc World Surveyed 18 The water was sharp and hard [Fr. aspre], but nothing brackish. 1686 R. Plot Nat. Hist. Staffs. ix. 356 Esteemed but a lean hard water. 1756 C. Lucas Ess. Waters i. 83 Hard waters are the best for builders and plasterers. 1776 W. Reddington Pract. Treat. Brewing (ed. 3) ii. 20 A second reason why soft Water is to be preferred, is, that it more readily purges itself than hard Water. 1805 W. Saunders Treat. Mineral Waters (ed. 2) 305 A very hard water, curdling soap, and possessing a large portion of selenite and earthy carbonats. 1849 R. T. Claridge Cold-water Cure (1869) 85 Hard water makes the skin rough, but soft water, on the contrary, renders it smooth. 1959 Design Oct. 59/2 The heater is easy to keep clean, and descale where the water is hard. 1981 J. Halliday & J. Halliday in K. Thear & A. Fraser Compl. Bk. Livestock & Poultry (1988) iv. 95/2 For preference, use rain water as hard tap water may cause urinary calculi and consequent urethral blockage. 2004 P. Hymers New Home Builder x. 189 The electronic scale-reducers on the market..effectively stop limescale from building up but still leave the water hard. extracted from hardadj.n. < as lemmas
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