barium sulfide
noun
: any sulfide of barium
especially
: the colorless crystalline toxic monosulfide BaS obtained usually as a gray to black substance by reducing barite with coal and used chiefly in making other barium compounds, pigments (such as lithopone), and luminous paints
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“Barium sulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/barium%20sulfide. Accessed 22 Nov. 2024.
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