[ok-sahyd, -sid]

noun Chemistry.

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

Nearby words

  1. oxidation state,
  2. oxidation-reduction,
  3. oxidative,
  4. oxidative phosphorylation,
  5. oxidative stress,
  6. oxidic,
  7. oxidimetry,
  8. oxidize,
  9. oxidized cellulose,
  10. oxidized glutathione

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

British Dictionary definitions for oxidic



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 oxidic



"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

Medicine definitions for oxidic




A binary compound of an element or radical with oxygen.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for oxidic



A compound of oxygen and another element or radical. Water (H2O) is an oxide.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.