Meanings
plural sodium silicates
- Chemical compounds with the formula Na₂ₓSi_(y,)O_(2y+x) or (Na₂O)ₓ·(SiO₂)_y, such as sodium metasilicate Na₂SiO₃, sodium orthosilicate Na₄SiO₄, and sodium pyrosilicate Na₆Si₂O₇.
- A mixture of such compounds, especially the metasilicate, used in the formulation of cements, coatings, passive fire protection, textile and lumber processing, manufacture of refractory ceramics, as adhesives, and in the production of silica gel.
Synonyms: soluble glass, water glass
Synonyms & antonyms
nounA mixture of such compounds, especially the metasilicate, used in the formulation of cements, coatings, passive fire protection, textile and lumber processing, manufacture of refractory ceramics, as adhesives, and in the production of silica gel.
More synonyms by meaning
nouna viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
sodium silicate. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sodium%20silicate
“sodium silicate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sodium%20silicate. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “sodium silicate,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sodium%20silicate.
Source: sodium silicate on Wiktionary, CC BY-SA 4.0.