potassium hydroxide   n.  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.

Main Entry: potassium hydroxide
Function: noun
: a white deliquescent solid KOH that dissolves in water with much heat to form a strongly alkaline liquid and that is usedas a powerful caustic and in the making of pharmaceuticals called also caustic potash

potassium hydroxide n.
A caustic white solid used as a bleach and in the manufacture of soaps, dyes, and many potassium compounds. Also called potash.