Lye occurs as caustic guide, rich around potassium carbonate (potash), used for glass & a measure of laundry soap making. It can be:
sodium hydroxide (soda lye) or
(less ordinarily) potassium hydroxide (potash lye).
Lye is the name of the settlement within England between Dudley and Stourbridge in the Black Country, Dudley Metropolitan Borough, West Midlands.
Lye is a commune of the Indredépartement, in France.
