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

Perovskites are inorganic crystalline structures similar to the natural mineral perovskite (calcium titanium oxide, CaTiO3). —New Atlas, 30 Nov. 2025

Longi team applied a first tin oxide (SnOx) buffer layer to protect the perovskite and transport layers during the transparent conducting oxide sputtering process, performed via atomic layer deposition (ALD). —Prabhat Ranjan Mishra, Interesting Engineering, 27 Nov. 2025

The RTGs are mounted on a boom and use plutonium-238 oxide that slowly decays and produces heat. —George Petras, USA Today, 25 Nov. 2025

To create the effect, thin layers of metal oxide are applied to refract light when the piece is viewed from different angles, a technique often used in the optical industry. —Adrian Madlener, Curbed, 24 Nov. 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