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pentoxide
[ pen-tok-sahyd ]
noun
, Chemistry.
- an oxide containing five atoms of oxygen, as phosphorus pentoxide, P 2 O 5 .
pentoxide
/ pɛntˈɒksaɪd /
noun
- an oxide of an element with five atoms of oxygen per molecule
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Word History and Origins
Origin of pentoxide1
1860–65; pent- ( def ) + oxide
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Example Sentences
The selenide was collected and dried in an atmosphere of nitrogen, and then in a vacuum, in presence of phosphorus pentoxide.
From Project Gutenberg
The nitrates are an important class of salts, and may be looked on as compounds of the bases with nitric pentoxide (N2O5).
From Project Gutenberg
Maleic anhydride is obtained by distilling fumaric acid with phosphorus pentoxide.
From Project Gutenberg
When heated with phosphorus pentoxide it yields acetone, water and some pseudo-cumene.
From Project Gutenberg
The phosphorus combines with the oxygen to form an oxide of phosphorus, known as phosphorus pentoxide.
From Project Gutenberg
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