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

Targeting a critical processing gap Rare earth separation involves converting mixed material into individual oxides used across advanced manufacturing and other strategic industries. — Atharva Gosavi, Interesting Engineering, 19 Sep. 2026

Additionally, the metal has a non reactive layer of chromium oxide that further inhibits the strong chemical bond necessary for an actual seasoning to develop. — Wilder Davies, Bon Appetit Magazine, 17 Sep. 2026

Chromium in the alloy reacts at the surface to form an extremely thin, protective oxide film, primarily composed of chromium oxide. — New Atlas, 3 Sep. 2026

Nearly all our tools to prevent this—paints, polymer films, or oxide layers—are built around this idea. — Jacek Krywko, ArsTechnica, 31 Aug. 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