: a binary compound of oxygen with a more electropositive element or group
Examples of oxide in a Sentence
Recent Examples on the Web
Mineral sunscreens such as zinc or titanium oxide ward off the Sun’s rays by forming a protective film that also absorbs most UV light, but reflects some of it.
—
Guy German, The Conversation, 18 June 2026
Bassil’s team addressed that problem by using carbon nanotubes instead of conventional metal-oxide materials.
—Aamir Khollam, Interesting Engineering, 17 June 2026
Over time, deep-sea minerals, such as ferromanganese oxide, form crusts on the bones and preserve them as fossils, Song said.
—Mindy Weisberger, CNN Money, 12 June 2026
Even silver and copper—from the same column of the periodic table—form weak oxides.
—Chris Lee, ArsTechnica, 9 June 2026
See All Example Sentences for oxide
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Guy German, The Conversation, 18 June 2026
Bassil’s team addressed that problem by using carbon nanotubes instead of conventional metal-oxide materials.
—Aamir Khollam, Interesting Engineering, 17 June 2026
Over time, deep-sea minerals, such as ferromanganese oxide, form crusts on the bones and preserve them as fossils, Song said.
—Mindy Weisberger, CNN Money, 12 June 2026
Even silver and copper—from the same column of the periodic table—form weak oxides.
—Chris Lee, ArsTechnica, 9 June 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 23 Jun. 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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