硫酸塩 りゅうさんえん Meanings Noun sulfate; sulphate Kanji 硫 sulfur. Read as リュウ. 酸 acid. Read as サン. 塩 salt. Read as エン. Words containing 硫酸塩 亜硫酸塩 (ありゅうさんえん) sulfite Jinuma: Japanese Dictionary · Word lists