Definition of potassium hydroxide in English English dictionary
The alkaline base KOH, once known as caustic potash; it has a number of industrial uses, including the manufacture of bleach
{i} KOH, caustic potash, toxic and very corrosive white chemical (used in the soap and bleach industry)
A caustic white solid, KOH, used as a bleach and in the manufacture of soaps, dyes, alkaline batteries, and many potassium compounds. Also called caustic potash, lye, potash