焦性硫酸 しょうせいりゅうさん Meanings Noun pyrosulphuric acid; pyrosulfuric acid Kanji 焦 scorch. Read as ショウ. 性 nature. Read as ショウ. 硫 sulfur. Read as リュウ. 酸 acid. Read as サン. Jinuma: Japanese Dictionary · Word lists