borax

English Thesaurus

1. an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent (noun.substance)

hypernym	:	mineral,
definition	:	solid homogeneous inorganic substances occurring in nature having a definite chemical composition (noun.substance)

substance holonym	:	atomic number 5, b, boron,
definition	:	a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder (noun.substance)