carbolic acid solution; phenol solution
Technical chemistry term for a solution of carbolic acid (phenol). Rare in everyday conversation; mainly found in historical or specialized contexts.
Carbolic acid solution was once used as a disinfectant.
石炭酸 is carbolic acid (phenol) itself, while 石炭酸水 is its aqueous solution.
フェノール is the modern common term for phenol, often replacing 石炭酸 in contemporary usage.
Compound of 石炭酸 (carbolic acid) + 水 (water), literally 'carbolic acid water'. The term 石炭酸 is a historical Japanese name for phenol, derived from its original production from coal tar.