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

Example Sentences

Instead of another invasive surgery to remove the pacemaker, it simply dissolves over time into a nontoxic compound known as silicic acid.

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The samples with leachate had more silicic acid as well, which is used by plankton like diatoms to make their microscopic shells.

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After complete dissolution of sodium hydroxide, 2.5 g of silicic acid was added as the silica source.

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In the body, if the silicon is thin enough, it degrades in the presence of water into silicic acid, which is not harmful to health, and even sold as a dietary supplement.

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A double salt of boric and silicic acids, as in the natural minerals tourmaline, datolite, etc.

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