silicic acid

noun

, Chemistry.

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

silicic acid

noun

1. 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, SiO 2 . n H 2 O

Word History and Origins

Origin of silicic acid¹

First recorded in 1810–20