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

Over time, deep-sea minerals, such as ferromanganese oxide, form crusts on the bones and preserve them as fossils, Song said. —Mindy Weisberger, CNN Money, 12 June 2026

Supply chain context The United States currently has limited domestic capacity for separating and processing rare earth elements into refined oxides or metals. —Aditya Jadhav, Interesting Engineering, 10 June 2026

Even silver and copper—from the same column of the periodic table—form weak oxides. —Chris Lee, ArsTechnica, 9 June 2026

But it’s thought that Apple will switch from one kind of display technology, lower-temperature polycrystalline oxide (LTPO) to LTPO+. —David Phelan, Forbes.com, 6 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