ox·ide | \ˈäk-ˌsīd \

Definition of oxide 

: a binary compound of oxygen with a more electropositive element or group

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Other Words from oxide

oxidic \äk-ˈsi-dik \ adjective

Examples of oxide in a Sentence

Recent Examples on the Web

Zinc oxide and titanium oxide are natural alternatives some sunscreens use, still able to block the sun’s harmful UV rays. Renae Reints, Fortune, "Hawaii to Become First in the World to Ban Sunscreens Harmful to the Environment," 2 July 2018 Uranium milled from ore is called yellowcake, technically known as uranium oxide (U3O8). Megan Geuss, Ars Technica, "Attention knitters: Researchers harvest uranium from the sea with a yarn “net”," 18 June 2018 The researchers explain that while commercial wallpaper is highly flammable, both graphene oxide and hydroxyapatite nanowires are fire-resistant materials. Liz Stinson, Curbed, "Scientists are developing wallpaper that can tell when your house is on fire," 11 Apr. 2018 But home-brewers have evolved from simple machines into high-tech appliances, some employing LCD screens, automatic milk frothers or even nitrous-oxide cartridges. Jeremy Repanich, Popular Mechanics, "Single-Serve Coffeemaker Showdown: 8 Brewers Put to the Test," 1 Apr. 2010 Scrubbers remove sulfur oxides from a ship's exhaust. Costas Paris, WSJ, "Shipowners’ Multibillion-Dollar Quandary: Buy Cleaner Fuel or a Fuel Cleaner?," 20 Mar. 2018 Parts of the wafer that are still covered in photoresist are protected during the etching, retaining their silicon oxide; those whose photoresist has been removed are etched away. Peter Bright, Ars Technica, "Extreme UV chip defects may force a new approach to processor design," 27 Feb. 2018 The most daring concept, lithium-air, reinvents the battery by getting rid of traditional metal for the cathode and replacing it with carbon that pulls oxygen atoms from the air instead of using oxides from the electrolyte. Tom Parrett, Newsweek, "Batteries That Will Save the Planet," 13 Dec. 2014 As many as 1,000 zero-emission trucks and buses will be subsidized under the nitrogen-oxide mitigation plan. Russ Mitchell, latimes.com, "VW funds from diesel scandal will pay for zero-emission buses, trucks in California," 26 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of oxide

1788, in the meaning defined above

History and Etymology for oxide

French oxide, oxyde, from ox- (from oxygène oxygen) + -ide (from acide acid)

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Statistics for oxide

Last Updated

8 Sep 2018

Look-up Popularity

Time Traveler for oxide

The first known use of oxide was in 1788

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English Language Learners Definition of oxide

chemistry : a compound of oxygen and another substance


ox·ide | \ˈäk-ˌsīd \

Kids Definition of oxide

: a compound of oxygen with another element or group of elements an iron oxide


ox·ide | \ˈäk-ˌsīd \

Medical Definition of oxide 

: a binary compound of oxygen with a more electropositive element or chemical group

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More from Merriam-Webster on oxide

Spanish Central: Translation of oxide

Nglish: Translation of oxide for Spanish Speakers

Britannica English: Translation of oxide for Arabic Speakers

Britannica.com: Encyclopedia article about oxide

Comments on oxide

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a state of commotion or excitement

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