氟硅酸 Traditional form: 氟硅酸 Pinyin (reading): fúguīsuān Definitions: fluorosilicic acid H2SiF6 fluorosilicate Characters: 氟 - fluorine 硅 - silicon 酸 - tart, sour; spoiled; acid Traditional characters: 氟 - fluorine 硅 - silicon 酸 - tart, sour; spoiled; acid