指示薬 しじやく Meanings Noun indicator Kanji 指 indicate. Read as シ. 示 show 薬 drug. Read as ヤク. Words containing 指示薬 酸塩基指示薬 (さんえんきしじやく) acid-base indicator 放射性指示薬 (ほうしゃせいしじやく) radioactive indicator Word lists Chemistry Jinuma: Japanese Dictionary · Word lists