fluosilicic acid

[ floo-oh-si-lis-ik as-id, floo- ]

noun

, Chemistry.

1. an unstable acid, H 2 SiF 6 , known only in its colorless, poisonous, fuming aqueous solution or in the form of its salts: used chiefly as a wood preservative, a disinfectant, and as a hardening agent in the manufacture of ceramic ware, cement, and concrete.

Word History and Origins

Origin of fluosilicic acid¹

fluo- + silicic

Example Sentences

Fluosilicic acid and iodate of soda precipitate the salts of the latter earth, but not those of the former.

From Project Gutenberg

Potassium salts give with sodium periodate and hydro-fluosilicic acid white precipitates soluble in much water.

From Project Gutenberg