noun
: either of the two sulfites of calcium:
a. : the normal salt CaSO 3 prepared as a white powder and used as a disinfectant, preservative, and antichlor
b. : calcium bisulfite
noun
: either of the two sulfites of calcium:
a. : the normal salt CaSO 3 prepared as a white powder and used as a disinfectant, preservative, and antichlor
b. : calcium bisulfite
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012