oxide
Americannoun
noun
-
any compound of oxygen with another element
-
any organic compound in which an oxygen atom is bound to two alkyl or aryl groups; an ether or epoxide
Other Word Forms
- oxidic adjective
Etymology
Origin of oxide
First recorded in 1780–90; from French (now oxyde ), blend of ox(ygène) oxygen and (ac)ide acid
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“We are proud to join this team with a view to establish Europe’s first rare earth oxide and metal-making platform, which will accelerate the realization of a secure, sustainable transatlantic rare earth value chain.”
From Barron's • Apr. 9, 2026
USA Rare Earth invested in Carester, a French rare-earth processing firm, to access its oxide output for a new metal-making facility.
From Barron's • Apr. 9, 2026
The cells produced much less nitric oxide, which helps blood vessels relax and widen, and more endothelin-1, which causes vessels to tighten.
From Science Daily • Mar. 28, 2026
Take quicklime, otherwise known as calcium oxide, and just add water.
From The Wall Street Journal • Mar. 27, 2026
Her face was smeared with so much zinc oxide that it looked like she’d fallen nose-first into a frosted cake.
From "Flush" by Carl Hiaasen
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.