释义 |
potassium hydroxide noun : a brittle white deliquescent solid KOH that dissolves with much heat in less than its weight of water to form a strongly alkaline and caustic solution, that is made usually by electrolysis of a solution of potassium chloride, and that is used chiefly in making soap, in bleaching and mercerizing, and as a reagent in chemistry — called also caustic potash |