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hard water
noun
- water that contains magnesium, calcium, or iron salts and therefore forms a soap lather with difficulty.
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Notes
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Example Sentences
Minerals from hard water can clog the holes of your showerhead, leading to reduced water pressure.
In the best of times, it’s not a perfectly efficient system, so for each gallon of soft water it produces, it also dumps some additional hard water because of how it works.
Severne arose in a cold room, washed his face in hard water, and descended to breakfast.
Most of the water thus obtained is hard water, from its limestone qualities, but it is most unquestionably healthy.
Hard water frequently becomes softer after it has been boiled for some time.
Seeing then the disadvantages attendant on the use of hard water, it remains to be considered how best to soften it.
Hard water decomposes soap, and cannot be efficiently used for washing.
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