caustic potash; potassium hydroxide
Chemical term for potassium hydroxide (KOH), a strong alkali used in industrial and laboratory settings.
Caustic potash is a strongly alkaline substance and requires careful handling.
苛性ソーダ is sodium hydroxide (NaOH), while 苛性カリ is potassium hydroxide (KOH). Both are strong alkalis but differ in chemical composition and specific industrial uses.
Standard modern spelling using katakana for the loanword part.
Ateji spelling; rarely used today.
Compound of 苛性 (caustic) and カリ (potash, from Dutch 'kali' or German 'Kali'). The ateji spelling 加里 is historical.