water glass

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water glass

or

soluble glass,

colorless, transparent, glasslike substance available commercially as a powder or as a transparent, viscous solution in water. Chemically it is sodium silicatesodium silicate,
any one of several compounds containing sodium oxide, Na2O, and silica, Si2O, or a mixture of sodium silicates. Sodium orthosilicate is Na4SiO4 (or 2Na2O·SiO2); sodium meta
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, potassium silicate, or a mixture of these. It is prepared by fusing sodium or potassium carbonate with sand or by heating sodium or potassium hydroxide with sand under pressure. Water glass is very soluble in water, but the glassy solid dissolves slowly, even in boiling water. Water glass has adhesive properties and is fire resistant. It is used as a detergent; as a cement for glass, pottery, and stoneware; for fireproofing paper, wood, cement, and other substances; for fixing pigments in paintings and cloth printing; and for preserving eggs (it fills the pores in the eggshell, preventing entrance of air).

water glass

[′wȯd·ər ‚glas]
(inorganic chemistry)
References in periodicals archive ?
Now though, I wish the dining room table my husband and I have inherited had more scratches, more evidence of a plate of carved turkey getting slid around, more white marks from water glasses and wax candle drippings, more red stains from the Russian's pomegranate seeds so that we could have something that showed more about who we were then.
In addition to ceramic pasta plates, espresso and latte cups, and a breakfast set, Zwicker has designed cordial, wine and water glasses that are hand-painted with gold and platinum.
The Lucky Noodle and the Horsehead Bar did the job well, taking time to let three-fourths of the pint settle before topping it off with a creamy, half-inch head (`building" the beer, as the Guinness nuts say), but the Blarney Stone, the Cooler and Mulligan's failed the test, pouring their Guinni with all the care of a waitress refilling water glasses (`demolishing" the beer, you could call it).
For those of us who frequent restaurants, they often fill our water glasses and prepare our meals.
Petroski also points out that these items became commercial successes only after the public learned that shared water glasses could carry germs.
50 for a place setting, green heritage water glasses, pounds 3 each, and jug, pounds 22, all Marks & Spencer; aged French dinner plates and bowls, pounds 8.
After complaining about the service on several occasions and asking for new water glasses at least twice, the obnoxious diner finally gave his order to the waiter: "I want some oysters, but they must be just right--neither too large nor too small, neither old nor tough, and they mustn't be salty.
CDC guidelines for equipment cleaning and disinfection address surgical instruments and catheters, respiratory equipment, bedpans, crutches, water glasses, food utensils, wheelchairs, carts, walkers, beds, mattresses, physical and respiratory therapy equipment, and thermometers, among other devices.
Elegant blue water glasses, subtle furnishings and a mind-boggling menu make it one of the best places to taste what Indian cuisine has to offer, away from the pounds 3-a-head balti house we all know and love.