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

This is reportedly the first quantum computer to be built using the standard complementary metal-oxide-semiconductor (CMOS) chip fabrication process which is the same transistor technology used in conventional computers. —Georgina Jedikovska, Interesting Engineering, 15 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

At the heart of the ban is trimethylbenzoyl diphenylphosphine oxide (TPO). —Hannah Nwoko, Parents, 5 Sep. 2025

Meet the experts To be perfectly clear, gel nail polishes and manicures themselves have not been banned outright in the EU—just trimethylbenzoyl diphenylphosphine oxide. —Marci Robin, Allure, 3 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