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Definition of Hard water
1. Noun. Water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap.
Definition of Hard water
1. Noun. (chemistry) water with a high concentration of dissolved minerals, especially calcium, making it difficult to lather with soap ¹
¹ Source: wiktionary.com
Medical Definition of Hard water
1.
Lexicographical Neighbors of Hard Water
Literary usage of Hard water
Below you will find example usage of this term as found in modern and/or classical literature:
1. Nature by Norman Lockyer (1877)
"And again, Liverpool and Birkenhead, both supplied with moderately hard water in
the one, an old and densely-populated town with a site saturated with what ..."
2. The Practitioner by Gale Group, ProQuest Information and Learning Company (1893)
"... hard water.1 BY JM FOX, Medical Officer of Health for Mid-Cheshire. IT may
not be without use that a few remarks should be made on the relative value of ..."
3. Chemistry by Henry Enfield Roscoe (1873)
"Let us see if we can make out why this is, and for this purpose we must try an
experiment. 27. What makes hard water? EXPERIMENT 27. ..."
4. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"Using hard water in boilers is much more expensive than softening it, since on
the average 1000 gallons of hard water will do SO cents worth of damage in ..."
5. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1851)
"In the case, however, of hard water, the action has been different. With comparatively
few exceptions, water owes its hardness to the presence of sulphate ..."
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