甘かん汞こうかんこうじ字FuriganaMeanings1nouncalomel; mercury(I) chlorideChemical term for mercury(I) chloride (Hg₂Cl₂), historically used in medicine and electrochemistry.甘かん汞こうはかつて下げ剤ざいとして使つかわれた。Calomel was once used as a laxative.