Definition of stannic acid
: any of various amorphous acid substances that behave like hydrates of stannic oxide and yield stannic oxide when calcined: such as a : a highly hydrated substance obtainable as a gelatinous precipitate by hydrolysis of stannic chloride by alkali or excess water and forming salts with more alkali —called also alpha-stannic acid b : a less highly hydrated substance obtainable as a powder by heating or drying alpha-stannic acid —called also beta-stannic acid
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Origin and Etymology of stannic acid
probably from French acide stannique
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