: a binary compound of oxygen with a more electropositive element or group
Examples of oxide in a Sentence
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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.
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Etiido Uko
march 04, New Atlas, 4 Mar. 2026
The geraisites are mostly made up of silica (70% to 74%, depending on the sample) along with high concentrations of sodium and potassium oxides.
—Elizabeth Howell, Space.com, 3 Mar. 2026
The electrolyte consists of alternating sheets of perpendicularly aligned LixMyPS3, referred to as LiMPS where M is Cd or Mn, and polyethylene oxide layers.
—Neetika Walter, Interesting Engineering, 2 Mar. 2026
The operation in KwaZulu-Natal province is focused on extracting zircon, rutile, ilmenite, and titanium oxide — critical ingredients in products such as paint, sunscreen, and smartphones.
—Yinka Adegoke, semafor.com, 2 Mar. 2026
See All Example Sentences for oxide
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Etiido Uko
march 04, New Atlas, 4 Mar. 2026
The geraisites are mostly made up of silica (70% to 74%, depending on the sample) along with high concentrations of sodium and potassium oxides.
—Elizabeth Howell, Space.com, 3 Mar. 2026
The electrolyte consists of alternating sheets of perpendicularly aligned LixMyPS3, referred to as LiMPS where M is Cd or Mn, and polyethylene oxide layers.
—Neetika Walter, Interesting Engineering, 2 Mar. 2026
The operation in KwaZulu-Natal province is focused on extracting zircon, rutile, ilmenite, and titanium oxide — critical ingredients in products such as paint, sunscreen, and smartphones.
—Yinka Adegoke, semafor.com, 2 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 9 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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