noun
oxide
OK-syd
noun
1
A chemical compound formed when oxygen combines with another element.
"Rust is simply iron oxide, formed when iron reacts with oxygen in the air."
"Carbon dioxide is one of the most familiar oxides."
How to Use Oxide
Learner’s notesIn plain EnglishA compound made of oxygen plus another element.
Common pairings
iron oxide
nitrous oxide
metal oxide
Word Forms
oxides plural
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Rust is simply iron _____, formed when iron reacts with oxygen in the air.
Etymology
Coined in French as a blend of "oxygène" and "acide," reflecting the fact that many oxides were originally understood through their role in forming acids.