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

To Priestly we owe our knowledge of oxygen, binoxide of nitrogen, sulphurous acid, fluosilicic acid, muriatic acid, ammonia, carburetted hydrogen, and carbonic oxide.

From Project Gutenberg

If the temperature be too high, fluosilicic acid is generated, and will form a silicious incrustation upon the cool portion of the tube.

From Project Gutenberg