sodium sulfide


noun Chemistry.

a yellow or brick-red, crystalline, deliquescent, water-soluble solid, Na2S, 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.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020