hard water
Americannoun
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Hard water is usually associated with well water in regions where the rocks contain a large proportion of iron-bearing minerals.
Example Sentences
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Other plastics, including ones promoted as highly recyclable, such as clear polyethylene bottles, which hold some medications, or hard water bottles, are being recycled at just 16%.
From Los Angeles Times ● Jan. 14, 2026
“It is abrasive enough to get through hard water and works great to polish surfaces. It has to have 0000 at the end,” she cautions.
From Seattle Times ● Feb. 16, 2024
Yet stalagmites offer new insights into climate fluctuations because the German researchers could examine the isotopic composition of oxygen in a southern German stalagmite that had been formed from hard water.
From Salon ● Jan. 22, 2024
For example, in hard water situations, the iron and magnesium need to be removed to help the water quality.
From Washington Post ● Aug. 23, 2022
She ask about hard water stains and I tell her cream of tartar.
From "The Help" by Kathryn Stockett
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
