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.
Chinese customs data shows, imports of rare earth oxides from Myanmar fell by over a third in the first five months of the year compared to the same period last year. Dylan Butts, CNBC, 24 June 2025 Through a cascading series of reactions, the sodium oxide would ultimately form into sodium bicarbonate, aka baking soda. Ben Coxworth june 02, New Atlas, 2 June 2025 Uranium oxide glassware, which glows under UV light, is hot now. Roxana Popescu, San Diego Union-Tribune, 19 May 2025 Magnesium Oxide Magnesium oxide can be an effective option for treating migraines in pregnant people. Emmanuella Ogbonna, Health, 15 Apr. 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 8 Jul. 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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