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1. The combination of a substance with oxygen.
2. A reaction in which the atoms of an element lose electrons and the valence of the element is correspondingly increased.

[French, from oxider, to oxidize, from oxide, oxide; see oxide.]

ox′i·da′tive adj.
ox′i·da′tive·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Chemistry) chem by an oxidative process
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
If this situation also occurs in human cells, the actual ongoing oxidative stress and detrimental effects of PM may be underestimated by the levels of oxidatively damaged DNA in PBMCs.
It is possible to develop a physically and oxidatively stable n-3 fatty acid delivery ingredient, in an emulsion form, that only needs to be added to foods in small quantities to provide nutritionally significant amounts of n-3 fatty acids.
Comments: Oil- and alcohol-soluble, low color and odor, oxidatively stable, naturally-derived ester with very low toxicity and esthetics that make it useful as a vehicle for a wide variety of personal care products.
Our results support the thesis that the great majority of oxidatively damaged DNA is removed via the base excision repair pathway (24-26).
It appears that tuna oil-in-water emulsions containing droplets stabilized by lecithin-chitosan membranes that have EDTA and mixed tocopherol could be used as an ingredient delivery system for incorporating oxidatively stable omega-3 fatty acids into products.
These intermediate radicals are converted oxidatively to mutagenic 8-OH purines (i.e., 8-OH-G and 8-OH-A) and reductively to mutagenic formamidopyrimidines (i.e., FapyG and FapyA) (Gajewski et al.
In the future, it may be possible to develop apo B immunoassays that are even more informative about coronary heart disease risk by, for example, designing them to be particularly sensitive to epitopes displayed in small, dense LDL or oxidatively modified LDL.
The product is oxidatively stable, as well as biodegradable.
Methionine sulfoxide reductase A (MSRA) also plays an important role in the repair of oxidatively damaged proteins toward restoration of biological activity [23].