waterglass

See also: water glass

English

Etymology

From water +‎ glass.

Noun

waterglass (usually uncountable, plural waterglasses)

1. Sodium silicate.
   • 1895, Thomas Norton, The Contributions of Chemistry to the Methods of Preventing and Extinguishing Conflagration, page 15:

     a cheaper process for fire-proofing canvas, consisting of the deposition in the fiber of a double sodium and lead silicate. Boiling solutions of basic lead acetate and of waterglass were used.

   • 1916, H.C. Standage, Cement: Pastes, Glues, and Gums, page 23:

     Waterglass (Silicate of Soda) Cement.
     By combining waterglass with cement or quicklime a double silicate, hard as stone and resisting chemical agents, is formed in a short time.

   • 2010 October 7, Jeffrey C. Petermann, Athar Saeed, Michael I. Hammond, Aklali-Activated Geopolymers: A Literature Review, (US) Air Force Research Laboratory, page 4:

     A fly ash material used in a study (by Xie and Xi) contained a high fraction of reactive oxides which reacted significantly with a waterglass (Na₂SiO₃) activator, leading to a high strength within a short time and under relatively lower temperatures