oxide

Also ox·id

[ok-sahyd, -sid]

noun

Chemistry.

1. a compound in which oxygen is bonded to one or more electropositive atoms.

oxide

/ ˈɒksaɪd /

noun

1. any compound of oxygen with another element

2. any organic compound in which an oxygen atom is bound to two alkyl or aryl groups; an ether or epoxide

oxide

1. A compound of oxygen and another element or radical. Water (H ₂ O) is an oxide.

Other Word Forms

• oxidic adjective

Word History and Origins

Origin of oxide¹

First recorded in 1780–90; from French (now oxyde ), blend of ox(ygène) oxygen and (ac)ide acid

Word History and Origins

Origin of oxide¹

C18: from French, from ox ( ygène ) + ( ac ) ide; see _oxygen , _acid

Example Sentences

Additional surplus nitrogen in soil can produce nitrous oxide, a potent greenhouse gas.

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In this process, copper oxide acts as an important catalyst in the electrochemical nitrate reduction reaction, a more environmentally friendly approach compared to the traditional Haber-Bosch method.

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"We refined our algorithms and used them to do a very detailed analysis of the metallic phase and oxide phase driving this very complex reaction."

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Even worse, burning coal produces air pollutants, including sulfur dioxide and nitrogen oxide, that are real threats to human health.

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Meanwhile, fertiliser use emits nitrous oxide -- the third-most-potent greenhouse gas after methane and carbon dioxide.

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