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.
Magnesium Oxide Magnesium oxide can be an effective option for treating migraines in pregnant people. Emmanuella Ogbonna, Health, 15 Apr. 2025 The process does create sodium oxide as a byproduct, which the researchers state would soak up excess carbon dioxide from the atmosphere when expelled from aircraft in the exhaust. Ben Coxworth june 02, New Atlas, 2 June 2025 Those minerals include salt (sodium chloride) and potash (mostly potassium oxide), which farmers prize as a fertilizer. Christopher Helman, Forbes.com, 30 May 2025 By the mid-1990s, China also produced more rare earth oxides than Molycorp and the US. Mark Dent, HubSpot, 9 May 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 4 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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