Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for dioxide from the 1913 edition of Webster's Revised Unabridged Dictionary. Define dioxide using one of the most comprehensive free online dictionaries on the web.

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Part of Speech: noun
Results: 2
1. An oxide containing two atoms of oxygen in each molecule; binoxide.
2. An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide.
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