pentoxide

[pen-tok-sahyd]

noun

Chemistry.

1. an oxide containing five atoms of oxygen, as phosphorus pentoxide, P 2 O 5 .

pentoxide

/ pɛntˈɒksaɪd /

noun

1. an oxide of an element with five atoms of oxygen per molecule

Word History and Origins

Origin of pentoxide¹

1860–65; pent- ( def. ) + oxide

Example Sentences

His firm plans to produce vanadium pentoxide in South Africa to be used in VRBs that Bushveld hopes to erect across Africa.

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Wyser said vanadium pentoxide was available and cheap, but was just one of many materials being tested for car batteries at the moment with an uncertain outcome.

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Such oxides as sulphur trioxide, nitrogen pentoxide, etc., do not possess acid properties except in combination with water.

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Maleic anhydride is obtained by distilling fumaric acid with phosphorus pentoxide.

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That is possible because this part of the transistor is made of tantalum pentoxide, a material whose atoms are arranged in a lattice which contains holes large enough for copper atoms to squeeze through.

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