Dictionary
so'dium hydrosul'fite
Chem.
a white, crystalline, water-soluble powder, Na
2S
2O
4, used as a reducing agent, esp. in dyeing, and as a bleach. Also called
hydrosulfite, so'dium di•thi'o•nite Pronunciation: (dī-thī'u-nīt"), [key] sodium hyposulfite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.