sodium silicate

noun Chemistry.

any of several clear, white, or greenish water-soluble compounds of formulas varying in ratio from Na2O⋅3.75SiO2 to 2Na2O⋅SiO2: used chiefly in dyeing, printing, and fireproofing textiles and in the manufacture of paper products and cement.
Also called liquid glass, water glass. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for liquid glass

sodium silicate


Also called: soluble glass a substance having the general formula, Na 2 O. x SiO 2, where x varies between 3 and 5, existing as an amorphous powder or present in a usually viscous aqueous solutionSee water glass (def. 1)
any sodium salt of orthosilicic acid or metasilicic acid
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