無水ケイ酸 むすいけいさん Also written 無水珪酸 Meanings Noun silicon dioxide See also: 二酸化ケイ素 (にさんかけいそ). Kanji 無 without. Read as ム. 水 water. Read as スイ. 酸 acid. Read as サン. Word lists Chemistry Jinuma: Japanese Dictionary · Word lists