: a binary compound of oxygen with a more electropositive element or group
Examples of oxide in a Sentence
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Glass tubes coated with copper-oxide catalysts feed the methane gas needed for the reaction.
—
Ameya Paleja, Interesting Engineering, 23 Apr. 2026
The process typically starts with the conversion of uranium oxide into stable gaseous uranium hexafluoride, or UF6, followed by a centrifuge technique that separates the three isotopes by mass.
—Stephanie Pappas, Scientific American, 23 Apr. 2026
Bloom Energy , Oracle — Shares of the two companies rose after Bloom Energy, a maker of solid oxide fuel cells, said it's expanded a partnership with Oracle to build out its AI and cloud computing capabilities.
—Fred Imbert,darla Mercado, Cfp®, CNBC, 14 Apr. 2026
This can be achieved thanks to a battery with a new chemistry that blends silicon oxide with graphite for the anodes, enabling a usable capacity of 122kWh.
—Andrew J. Hawkins, The Verge, 13 Apr. 2026
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Ameya Paleja, Interesting Engineering, 23 Apr. 2026
The process typically starts with the conversion of uranium oxide into stable gaseous uranium hexafluoride, or UF6, followed by a centrifuge technique that separates the three isotopes by mass.
—Stephanie Pappas, Scientific American, 23 Apr. 2026
Bloom Energy , Oracle — Shares of the two companies rose after Bloom Energy, a maker of solid oxide fuel cells, said it's expanded a partnership with Oracle to build out its AI and cloud computing capabilities.
—Fred Imbert,darla Mercado, Cfp®, CNBC, 14 Apr. 2026
This can be achieved thanks to a battery with a new chemistry that blends silicon oxide with graphite for the anodes, enabling a usable capacity of 122kWh.
—Andrew J. Hawkins, The Verge, 13 Apr. 2026
See All Example Sentences for oxide
Cite this Entry
“Oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxide. Accessed 26 Apr. 2026.
Copy CitationKids Definition
oxide
noun
ox·ide
ˈäk-ˌsīd 
: a compound of oxygen with another element or a chemical group
Medical Definition
oxide
noun
ox·ide
ˈäk-ˌsīd
: a binary compound of oxygen with a more electropositive element or chemical group
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