: a binary compound of oxygen with a more electropositive element or group
Examples of oxide in a Sentence
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In May, the country’s Lynas Rare Earths firm also became the first company outside China to produce commercial quantities of dysprosium oxide, one of the most important heavy rare earths elements, the think tank said.
—
John Liu, CNN Money, 21 Oct. 2025
These hybrid materials can reversibly change shape when exposed to different stimuli, thanks to the predictable nature of DNA pairing and the stability provided by inorganic components such as gold or graphene oxide.
—Jijo Malayil, Interesting Engineering, 20 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
The Two-Stage Tear Cascade While past research had already identified the irritant in onions—known to chemists as propanethial S-oxide—this study is the first to explain how the sulfur compound reaches a cook's eyes.
—Maria Morava, MSNBC Newsweek, 8 Oct. 2025
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John Liu, CNN Money, 21 Oct. 2025
These hybrid materials can reversibly change shape when exposed to different stimuli, thanks to the predictable nature of DNA pairing and the stability provided by inorganic components such as gold or graphene oxide.
—Jijo Malayil, Interesting Engineering, 20 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
The Two-Stage Tear Cascade While past research had already identified the irritant in onions—known to chemists as propanethial S-oxide—this study is the first to explain how the sulfur compound reaches a cook's eyes.
—Maria Morava, MSNBC Newsweek, 8 Oct. 2025
See All Example Sentences for oxide
Cite this Entry
“Oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxide. Accessed 24 Oct. 2025.
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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