oxide

[ ok-sahyd, -sid ]

/ ˈɒk saɪd, -sɪd /

SEE MORE SYNONYMS FOR oxide ON THESAURUS.COM

noun Chemistry.

a compound in which oxygen is bonded to one or more electropositive atoms.

Nearby words

Also ox·id

[ok-sid] /ˈɒk sɪd/.

Origin of oxide

1780–90; < French (now oxyde), blend of oxygène and acide. See oxygen, acid

Related formsox·id·ic

[ok-sid-ik] /ɒkˈsɪd ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for oxide

The zirconium alloy will react with water to produce hydrogen and oxide, but it also produces heat that has to be removed.
Japan Nuclear Crisis: What Is a Full Meltdown?|Josh Dzieza|March 15, 2011|DAILY BEAST
If the temperature is raised still higher, or the pressure is reduced, oxygen is given off and the oxide is once more formed.
An Elementary Study of Chemistry|William McPherson
Formic acid was supposed to be an oxide of formyl; and chloroform, the terchloride of formyl.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Acetate of oxide of ethyl, Acetic ether, Pyroligneous ether; ther aceticus, L.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley

It is possible to weld any iron surfaces provided no oxide of iron is formed upon the surface.
The Library of Work and Play: Working in Metals|Charles Conrad Sleffel
The rejected scoriæ have been found to be composed of siliceous matter 59, oxide of copper 1, oxide of tin 0·7.
A Dictionary of Arts, Manufactures and Mines|Andrew Ure

British Dictionary definitions for oxide

oxide

/ (ˈɒksaɪd) /

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

Word Origin for oxide

C18: from French, from ox (ygène) + (ac) ide; see oxygen, acid

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for oxide

oxide

"compound of oxygen with another element," 1790, from French oxide (1787), coined by G. de Morveau and A. Lavoisier from ox(ygène) (see oxygen) + (ac)ide "acid" (see acid).

Medicine definitions for oxide

oxide

[ ŏk′sīd′ ]

n.

A binary compound of an element or radical with oxygen.

Science definitions for oxide

oxide

[ ŏk′sīd′ ]

A compound of oxygen and another element or radical. Water (H2O) is an oxide.