soft water


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soft water

n.
Water containing little or no dissolved salts of calcium or magnesium, especially water containing less than about 85 parts per million of calcium carbonate.

Soft Water

Either pure water or water containing salts that do not react with soap to form insoluble soap scum. Before the use of water-softening chemicals, the primary source of soft water was from rain, and rainwater was often caught and saved in washtubs or barrels.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.soft water - water that is not hard (does not contain mineral salts that interfere with the formation of lather with soap)
H2O, water - binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent
hard water - water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap
Translations
References in classic literature ?
At every half-mile a groaning water-wheel lifted the soft water from the river to the crops by way of a mud-built aqueduct.
Partial areas are connected with drinking water cold and warm as well as soft water cold and warm completely from the level 05 staircases via existing pipes.
DEAR Editor, This week I learned from Severn Trent that on February 6, Birmingham lost part of its much-valued soft water supply.
An automated temperature control system features a closed circuit route, which allows for no loss of soft water and no scale in the system.
Generation 2, PhosZero with E-FeX technology, works in soft water to moderately hard water.
For example, the dyeing factories need a soft water with particular values of the parameters to avoid using a lot of colorants during the production process.
Generally, pH, alkalinity, hardness, chloride, and carbon dioxide increased from very soft water to the hard water with only two exceptions (alkalinity in soft water and chloride in hard water; Table I).
It works in hard and soft water, cleans carbon deposits, lubricates brushes, is safe on proportioners and suits friction or touchless wash systems.
Although lead can leach into any kind of water under certain conditions, soft water reacts more readily than hard water.
Suitable for use in hard or soft water, with ultra-low-foaming properties, they are said to be ideal for high-speed machining applications and the demanding fluid delivery pressures found on modern machine tools.
It's a hundred-mile car journey from the Midlands to the mid-Wales beauty spot known as Elan Valley, and it's here that Birmingham's engineers came to find a fresh and incredibly soft water supply for the city.
There are varying degrees of hard and soft water too, and both have their pros and cons.