silicic-acid

silicic acid

noun Chemistry.
any of certain amorphous gelatinous masses, formed when alkaline silicates are treated with acids, which dissociate readily into silica and water.

Origin:
1810–20

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World English Dictionary
silicic acid
 
n
a white gelatinous substance obtained by adding an acid to a solution of sodium silicate. It has an ill-defined composition and is best regarded as hydrated silica, SiO2.nH2O

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