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

In practice, iron, cobalt, and other non-REE elements chlorinate and vaporize first, leaving behind the REE oxides. —Neetika Walter, Interesting Engineering, 29 Sep. 2025

The aluminum-creation process begins with bauxite ore, a raw material that contains desirable aluminum-rich minerals but also a host of impurities including silica and iron and titanium oxides. —New Atlas, 17 Sep. 2025

Another selling point is the reduction of combustion emissions (e.g., nitrogen and sulfur oxides and small particulate matter) that often burden industrial operations in dense urban settings. —Erik Kobayashi-Solomon, Forbes.com, 9 Sep. 2025

Trimethylbenzoyl diphenylphosphine oxide, or TPO, enables the hardening of gel and hybrid polishes when placed under UV light. —Keyaira Boone, Essence, 5 Sep. 2025

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