barium oxide

noun Chemistry.
baryta ( def 1 ).
Also called barium monoxide, barium protoxide. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
barium oxide
Also called: baryta a white or yellowish-white poisonous heavy powder used esp as a dehydrating agent. Formula: BaO

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
One of these is barium oxide, something with a half-life and, aluminum oxide as well.
Barium oxide is used to remove water from organic solvents.
Mixtures of barium oxide with mercurous or nickel oxide also react vigorously with hydrogen sulfide in air.
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