lye

English Thesaurus

1. a strong solution of sodium or potassium hydroxide (noun.substance)

hypernym	:	caustic,
definition	:	any chemical substance that burns or destroys living tissue (noun.substance)

hyponym	:	caustic potash, potash, potassium hydroxide,
definition	:	a potassium compound often used in agriculture and industry (noun.substance)

hyponym	:	caustic soda, sodium hydroxide,
definition	:	a strongly alkaline caustic used in manufacturing soap and paper and aluminum and various sodium compounds (noun.substance)