Definition of oxide
: a binary compound of oxygen with a more electropositive element or group
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Recent Examples of oxide from the Web
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The material, developed by Livermore’s High Explosives Applications Facility (HEAF), is a thermite mixture of metal and metal oxide, which burns at high temperature.
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Researchers at Shanghai’s Institute of Ceramics are developing a new kind of wallpaper made from graphene oxide and hydroxyapatite nanowires that can detect fire and act as a retardant.
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Because the metal is incredibly light, totally resistant to corrosion, hypoallergenic, amagnetic and, like Wolverine, has some capacity for self-healing, in that scratches form an oxide layer over themselves.
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Gordon Moore’s metal oxide semiconductor technology largely finished that job.
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What is less well known is that four-fifths of the cobalt sulphates and oxides used to make the all-important cathodes for lithium-ion batteries are refined in China.
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The cathodes in the lithium-ion batteries typically used in electric vehicles, or EVs, are made of metal oxides that contain cobalt, a metal found in finite supplies and concentrated in one of the globe’s more precarious countries.
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Propylene oxide and crotonaldeyde are probable carcinogens, the EPA says, while acrylamide’s role in causing cancer is more controversial.
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The nuclear batteries that are found in New Horizons harnesses heat from the natural radioactive decay of plutonium-238 oxide.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of oxide
French oxide, oxyde, from ox- (from oxygène oxygen) + -ide (from acide acid)
OXIDE Defined for English Language Learners
Definition of oxide for English Language Learners
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chemistry : a compound of oxygen and another substance
OXIDE Defined for Kids
Definition of oxide for Students
: a compound of oxygen with another element or group of elements
- an iron oxide
Medical Dictionary
medical Definition of oxide
: a binary compound of oxygen with a more electropositive element or chemical group
Learn More about oxide
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Spanish Central: Translation of oxide Nglish: Translation of oxide for Spanish speakers Britannica English: Translation of oxide for Arabic speakers Britannica.com: Encyclopedia article about oxide
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