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.
Furthermore, Raman measurements track the movement of oxygen on the surface, showing that oxygen produced during the reaction migrates to chromium and manganese oxides, thereby maintaining the catalyst’s activity, as reported by Nanowerk. Jijo Malayil, Interesting Engineering, 15 Nov. 2025 In a lithium-ion battery, the cathode is made of a metal oxide, typically containing metals such as nickel, manganese and cobalt, bonded with oxygen. Golareh Jalilvand, The Conversation, 12 Nov. 2025 Aside from potentially being carbon neutral, methanol promises much lower levels of sulfur oxides, nitrogen oxides and soot particles, as well as being biodegradable and easy to store. New Atlas, 30 Oct. 2025 Key Ingredients: Iron oxides, niacinamide, bisabolol, snow mushroom extract Chemical or Mineral: Mineral (Zinc oxide 12%) SPF Level: SPF 50 Size: 1.8 fl. oz. Emily Orofino, Vogue, 30 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 21 Nov. 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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