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 does create sodium oxide as a byproduct, which the researchers state would soak up excess carbon dioxide from the atmosphere when expelled from aircraft in the exhaust. —Ben Coxworth june 02, New Atlas, 2 June 2025

Those minerals include salt (sodium chloride) and potash (mostly potassium oxide), which farmers prize as a fertilizer. —Christopher Helman, Forbes.com, 30 May 2025

By the mid-1990s, China also produced more rare earth oxides than Molycorp and the US. —Mark Dent, HubSpot, 9 May 2025

Indeed, graphene oxide is already used in biomedicine and cosmetics, yet it is known to have a potential toxic effect on living cells and organs. —Alison Escalante, Forbes.com, 29 May 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