dioxide

[dahy-ok-sahyd, -sid]

noun

Chemistry.

1. an oxide containing two atoms of oxygen, each of which is bonded directly to an atom of a second element, as manganese dioxide, MnO 2 , or nitrogen dioxide, NO 2 .

dioxide

/ daɪˈɒksaɪd /

noun

1. any oxide containing two oxygen atoms per molecule, both of which are bonded to an atom of another element

2. another name for a peroxide

dioxide

1. A compound containing two oxygen atoms per molecule.

Word History and Origins

Origin of dioxide¹

First recorded in 1840–50; di- ¹ + oxide

Example Sentences

The processing of phosphate rock into fertiliser emits toxic gases such as sulphur dioxide and ammonia.

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Every year, they generate more than 1.5 billion tonnes of calcium carbonate, capturing carbon dioxide from the atmosphere and storing it in deep-sea sediments.

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The retail giant plans to nix ingredients including titanium dioxide, a food coloring, and azodicarbonamide, used to help bread rise consistently.

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Gray hydrogen is produced from natural gas, and carbon dioxide is released in the process.

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If the electricity used to make hydrogen is generated from renewable sources, no carbon dioxide is generated along the value chain.

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