sodium silicate

American  

noun

Chemistry.

1. any of several clear, white, or greenish water-soluble compounds of formulas varying in ratio from Na 2 O⋅3.75SiO 2 to 2Na 2 O⋅SiO 2 : used chiefly in dyeing, printing, and fireproofing textiles and in the manufacture of paper products and cement.

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sodium silicate British  

noun

1. 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 solution See water glass

2. any sodium salt of orthosilicic acid or metasilicic acid

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Example Sentences

CleanTok is in love with The Pink Stuff – a rosy cleaning paste that’s made from baking soda, quartz, sodium silicate and soap.

From Fox News • Nov. 27, 2021

Silica gel, a colloidal dispersion of hydrated silicon dioxide, is formed when dilute hydrochloric acid is added to a dilute solution of sodium silicate.

From Textbooks • Feb. 14, 2019

Dr. Jones also experimented with whether plantlike forms could grow without gravity, putting them in a liquid solution of metal salt crystals and sodium silicate, known as a chemical garden.

From New York Times • Jul. 30, 2017

A blob of sodium silicate had clogged up a test tube, so I heated it over an alcohol lamp, intending to melt it.

From The Wall Street Journal • Dec. 15, 2015

Floating soap may also be loaded with sodium silicate to the extent of about 5 per cent.

From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by Thomssen, E. G.