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Meaning of sodium arsenite

so'dium ar'senite

Pronunciation: [key]
— Chem. Chem.
  1. a white or grayish-white, water-soluble, poisonous powder, NaAsO, used chiefly in arsenical soaps for hides, as an insecticide, and as a weed-killer. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.