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TAKE THE QUIZsodium oxide
noun
: an oxide of sodium
especially
: the hygroscopic amorphous monoxide Na2O that reacts violently with water to yield sodium hydroxide and that is obtained chiefly as an intermediate in the manufacture of sodium peroxide
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Merriam-Webster unabridged
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- Before we went to her house, Hannah told us her aunt was a flibbertigibbet.


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