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[ok-sahyd, -sid] /ˈɒk saɪd, -sɪd/
noun, Chemistry.
a compound in which oxygen is bonded to one or more electropositive atoms.
Also, oxid
[ok-sid] /ˈɒk sɪd/ (Show IPA)
Origin of oxide
1780-90; < French (now oxyde), blend of oxygène and acide. See oxygen, acid
Related forms
[ok-sid-ik] /ɒkˈsɪd ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for oxide


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
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
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Word Origin and History for 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).

Online Etymology Dictionary, © 2010 Douglas Harper
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oxide in Medicine

oxide ox·ide (ŏk'sīd')
A binary compound of an element or a radical with oxygen.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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oxide in Science
A compound of oxygen and another element or radical. Water (H2O) is an oxide.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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