oxide

noun

ox·​ide ˈäk-ˌsīd 

: a binary compound of oxygen with a more electropositive element or group

oxidic

äk-ˈsi-dik 

adjective

Examples of oxide in a Sentence

Recent Examples on the Web

The process also completely removed sulfur compounds, preventing emissions of sulfur oxides that contribute to acid rain and air pollution. — New Atlas, 1 July 2026

The researchers addressed that limitation by increasing the surface area of the carbon electrode and loading it with vanadium oxide, a material that can store a large amount of energy. — Atharva Gosavi, Interesting Engineering, 30 June 2026

Nail technicians in salons across the continent need to dispose of polishes containing trimethylbenzoyl diphenylphosphine oxide, or TPO, and switch to alternatives. — Lauren Jarvis-Gibson, Miami Herald, 26 June 2026

To remove hard water stains in toilet bowls and sinks, look for products that contain acids and oxides that will remove the mineral buildup. — Mary Marlowe Leverette, Southern Living, 23 June 2026

Word History

Etymology

French oxide, oxyde, from ox- (from oxygène oxygen) + -ide (from acide acid)

First Known Use

1788, in the meaning defined above

Phrases Containing oxide

• aluminum oxide
• calcium oxide
• deuterium oxide
• ethylene oxide
• ferric oxide
• iron oxide
• lead oxide
• magnesium oxide
• nitric oxide
• nitrogen oxide
• nitrous oxide
• zinc oxide

Rhymes for oxide

• abide
• allied
• applied
• aside
• astride
• azide
• backside
• bankside
• bastide
• bayside
• bedside
• belied

Kids 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