oxide

noun
ox·​ide | \ ˈäk-ˌsīd How to pronounce oxide (audio) \

Definition of oxide

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

Keep scrolling for more

Other Words from oxide

oxidic \ äk-​ˈsi-​dik How to pronounce oxidic (audio) \ adjective

Examples of oxide in a Sentence

Recent Examples on the Web

One thing to keep in mind, however: coal's demise has many environmental benefits, including reductions in particulate and sulfur oxides pollution as well as better health for those who once lived near coal plants. Megan Geuss, Ars Technica, "Renewable electricity beat out coal for the first time in April," 28 June 2019 Get our daily newsletter Crucially, China has translated its control of the raw materials into dominance of the valuable next steps: turning oxides into metals and metals into products. The Economist, "Rare earths give China leverage in the trade war, at a cost," 15 June 2019 Just the suggestion that Beijing could starve American factories of essential materials has sent rare-earth prices soaring over the past month, with dysprosium oxide, used in lasers and nuclear-reactor control rods, up by one-third. David J. Lynch, Anchorage Daily News, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 11 June 2019 The researchers suggested the weapons could’ve been dipped in a chromium oxide solution, a method known as chromate conversion coating—a technique technically different from modern chrome plating, which involves chromium metal. National Geographic, "Ancient advanced weapon technology theory debunked by new research," 4 Apr. 2019 But there is no obvious reason why these oxides should concentrate in one place on the Moon’s farside. Martin Finucane, BostonGlobe.com, "What is that mysterious mass under the huge crater on the dark side of the moon?," 13 June 2019 Just the suggestion that Beijing could starve American factories of essential materials has sent rare-earth prices soaring over the past month, with dysprosium oxide, used in lasers and nuclear-reactor control rods, up by one-third. David J. Lynch, Anchorage Daily News, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 11 June 2019 These are the types of lasers that are best suited to photonics applications that need to use inert materials—oxides are very unreactive—and need to be small. Chris Lee, Ars Technica, "Wireless nanowire lasers absorb infrared, emit blue light," 1 June 2019 Breathe Easier Burning heavy fuel forms sulfur oxides that are harmful to health and the environment. Costas Paris, WSJ, "Shipowners’ Multibillion-Dollar Quandary: Buy Cleaner Fuel or a Fuel Cleaner?," 20 Mar. 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.

See More

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)

Keep scrolling for more

Learn More about oxide

Statistics for oxide

Last Updated

14 Jul 2019

Look-up Popularity

Time Traveler for oxide

The first known use of oxide was in 1788

See more words from the same year

Keep scrolling for more

More Definitions for oxide

oxide

noun

English Language Learners Definition of oxide

chemistry : a compound of oxygen and another substance

oxide

noun
ox·​ide | \ ˈäk-ˌsīd How to pronounce oxide (audio) \

Kids Definition of oxide

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

oxide

noun
ox·​ide | \ ˈäk-ˌsīd How to pronounce oxide (audio) \

Medical Definition of oxide

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

Keep scrolling for more

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

What made you want to look up oxide? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

providing supplementary assistance

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!