barium oxide

noun

Definition of barium oxide

: any oxide of barium especially : the monoxide BaO obtained usually as a white to grayish toxic powder by heating barium carbonate or barium sulfate with carbon and used chiefly in making barium hydroxide and barium peroxide, in coating cathodes of electron tubes, and as a drying agent

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Learn More About barium oxide

Dictionary Entries Near barium oxide

barium nitrate

barium oxide

barium peroxide

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Cite this Entry

“Barium oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/barium%20oxide. Accessed 5 Dec. 2021.

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