: a binary compound of oxygen with a more electropositive element or group
Examples of oxide in a Sentence
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Researchers from Beijing University have discovered a new kind of gallium oxide (Ga₂O₃) that could be used to power the next generation of semiconductors.
—
Christopher McFadden, Interesting Engineering, 14 Mar. 2026
And McCarron said the developer plans to use a solid oxide energy server, rather than a combustion process, to reduce pollution from the development.
—Molly Morrow, Chicago Tribune, 13 Mar. 2026
Over millions of years, metals in the surrounding seawater form coatings of iron and manganese oxides, with thicknesses ranging from a few millimeters to a few decimeters, depending on the age of the seamounts.
—Leonardo MacElloni, The Conversation, 10 Mar. 2026
The membrane, which wraps around the battery like a skin, is a composite material comprising lithium chloride (LiCl), graphene oxide (GO), and active carbon fiber (ACF), all encased in a porous PTFE membrane and supported by a copper frame.
—Etiido Uko
march 04, New Atlas, 4 Mar. 2026
See All Example Sentences for oxide
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Christopher McFadden, Interesting Engineering, 14 Mar. 2026
And McCarron said the developer plans to use a solid oxide energy server, rather than a combustion process, to reduce pollution from the development.
—Molly Morrow, Chicago Tribune, 13 Mar. 2026
Over millions of years, metals in the surrounding seawater form coatings of iron and manganese oxides, with thicknesses ranging from a few millimeters to a few decimeters, depending on the age of the seamounts.
—Leonardo MacElloni, The Conversation, 10 Mar. 2026
The membrane, which wraps around the battery like a skin, is a composite material comprising lithium chloride (LiCl), graphene oxide (GO), and active carbon fiber (ACF), all encased in a porous PTFE membrane and supported by a copper frame.
—Etiido Uko
march 04, New Atlas, 4 Mar. 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 15 Mar. 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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