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Meaning of sodium sulfide

so'dium sul'fide

Pronunciation: [key]
— Chem. Chem.
  1. a yellow or brick-red, crystalline, deliquescent, water-soluble solid, NaS, used chiefly in the manufacture of dyes, soaps, and rubber, as a depilatory for leather, and in the flotation of powdered lead and copper ores.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.