ケイ酸
け
い
さ
ん
Meanings
1
silicic acid
Chemistry term for a family of silicon-oxygen-hydrogen compounds.
Silicic acid is poorly soluble in water.
2
Colloquial use; in strict chemistry, silica is 二酸化ケイ素, but ケイ酸 is often used loosely for silica gel or silica in everyday contexts.
See also: 二酸化ケイ素
Silica is used as a desiccant.