oxide

noun

ox·​ide ˈäk-ˌsīd How to pronounce oxide (audio)
: a binary compound of oxygen with a more electropositive element or group
oxidic adjective

Examples of oxide in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
According to the team, the resultant materials, which include oxides of tungsten, titanium, and niobium, have high surface areas, stable crystalline grains, and regular pores—all essential for quick ion transport. Jijo Malayil, Interesting Engineering, 25 Oct. 2025 Finally, a transparent indium tin oxide film provided the electrical circuit for the small detector, which could be easily merged with existing wearables. New Atlas, 25 Oct. 2025 The sharp deterioration in air quality this week comes following celebrations for Diwali, the Hindu festival of lights, which traditionally involves the widespread use of firecrackers which release sulfur oxides and nitrogen oxides into the air, as well as harmful heavy metals. Rhea Mogul, CNN Money, 22 Oct. 2025 The company’s solid oxide fuel cells are a mature technology that have been developed over two decades. Jordan Blum, Fortune, 16 Oct. 2025 See All Example Sentences for oxide

Word History

Etymology

French oxide, oxyde, from ox- (from oxygène oxygen) + -ide (from acide acid)

First Known Use

1788, in the meaning defined above

Time Traveler
The first known use of oxide was in 1788

Cite this Entry

“Oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxide. Accessed 30 Oct. 2025.

Kids Definition

oxide

noun
ox·​ide ˈäk-ˌsīd How to pronounce oxide (audio)
: a compound of oxygen with another element or a chemical group

Medical Definition

oxide

noun
ox·​ide ˈäk-ˌsīd How to pronounce oxide (audio)
: a binary compound of oxygen with a more electropositive element or chemical group

More from Merriam-Webster on oxide

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