Dictionary
so'dium perbo'rate
Chem.
a white, crystalline, water-soluble solid, NaBO
2·3H
2O or NaBO
3·4H
2O, used chiefly as a bleaching agent and antiseptic. Also called
perborax. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.