noun
corrosive sublimate solution; mercuric chloride solution
Technical term for a solution of mercury(II) chloride, formerly used as a disinfectant and antiseptic. Rare in modern everyday language.
昇汞水はかつて消毒液として使われた。
Corrosive sublimate solution was once used as a disinfectant.
Refers to the solid compound corrosive sublimate (mercury(II) chloride), while 昇汞水 is its aqueous solution.
Compound of 昇汞 (corrosive sublimate) and 水 (water), literally 'corrosive sublimate water'.