soluble glass

soluble glass


Origin:
1870–75

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Collins
World English Dictionary
soluble glass
 
n
another name for sodium silicate

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

soluble glass n.
A silicate of potassium or sodium, soluble in hot water but solid at ordinary temperatures, used for fixed dressings. Also called water glass.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

soluble glass

crystal-like lumps that range from colourless to white or grayish white and resemble glass but can be dissolved in water to form a syrupy liquid. Some forms are slightly soluble, and some are almost insoluble; they are best dissolved by heating with water under pressure. A little water dissolves water glass more readily than much water does. The solutions are strongly alkaline. The chemical formulas Na2SiO3, Na6Si2O7, and Na2Si3O7 describe the composition of various forms of water glass.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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