fluosilicic acid

American  

[floo-oh-si-lis-ik as-id, floo-] / ˈflu oʊ sɪˈlɪs ɪk ˈæs ɪd, ˌflu- /

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.

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Etymology

Origin of fluosilicic acid

fluo- + silicic

Example Sentences

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

From A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous

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

From The Last Words of Distinguished Men and Women (Real and Traditional) by Marvin, Frederic Rowland