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[ok-si-dey-shuh n] /ɒk sɪˈdeɪ ʃən/
noun, Chemistry.
the process or result of oxidizing.
the deposit that forms on the surface of a metal as it oxidizes.
Also, oxidization
[ok-si-duh-zey-shuh n] /ˌɒk sɪ dəˈzeɪ ʃən/ (Show IPA)
Origin of oxidation
First recorded in 1785-95; oxide + -ation
Related forms
oxidational, oxidative, adjective
nonoxidation, noun
nonoxidative, adjective
nonoxidization, noun
overoxidization, noun
reoxidation, noun
self-oxidation, noun
unoxidative, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for oxidative
Contemporary Examples
Historical Examples
  • In this regard rapidity of desiccation and subsequent protection from oxidative processes are important factors.

    Scurvy Past and Present Alfred Fabian Hess
  • This measurement represents the basal metabolism of a man at complete rest, when his oxidative activities are at their lowest ebb.

    Food in War Time Graham Lusk
British Dictionary definitions for oxidative


  1. the act or process of oxidizing
  2. (as modifier): an oxidation state, an oxidation potential
Derived Forms
oxidational, adjective
oxidative, adjective
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 oxidative



1791, from French oxidation (1787), coined by G. de Morveau and A. Lavoisier, noun of action from oxider "oxidize," from oxide (see oxide).

Online Etymology Dictionary, © 2010 Douglas Harper
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oxidative in Medicine

oxidative ox·i·da·tive (ŏk'sĭ-dā'tĭv)
Of, relating to, or characterized by oxidation.

oxidation ox·i·da·tion (ŏk'sĭ-dā'shən)

  1. The combination of a substance with oxygen.

  2. A reaction in which the atoms in an element lose electrons and the valence of the element is correspondingly increased.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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oxidative in Science
  1. The chemical combination of a substance with oxygen.

  2. A chemical reaction in which an atom or ion loses electrons, thus undergoing an increase in valence. Removing an electron from an iron atom having a valence of +2 changes the valence to +3. Compare reduction.

oxidative adjective
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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oxidative in Culture

oxidation definition

Any chemical reaction in which a material gives up electrons, as when the material combines with oxygen. Burning is an example of rapid oxidation; rusting is an example of slow oxidation. (See combustion and reduction.)

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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