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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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.oxidative - taking place in the presence of oxygen; "oxidative glycolysis"; "oxidative rancidity"
aerobic, aerophilic, aerophilous - depending on free oxygen or air; "aerobic fermentation"
References in periodicals archive ?
A number of studies have shown that oxidative stress--a condition where damaging molecules known as free radicals build up inside cells--accelerates telomere shortening.
Objective: To measure oxidative stress biomarkers in saliva and venous blood of mothers and cord blood of newborns delivered wih and without combined analgesia.
Objective: Oxidative damage and defects in DNA repair are frequently underlying many diseases, e.
Pregnancy can take a physical toll that, according to some theories, may increase the mother's levels of toxic metabolites that cause oxidative damage.
Due to the fact that oxidative stress may play important roles in human disease development, great many basic and experimental studies have been conducted to clarify the mechanisms that regulate the imbalance between prooxidant and antioxidant systems.
com)-- Creative BioMart, a global leader in the supply of innovative protein research tools and services announced today that it has launched exclusive Oxidative Stress Assay for use in studying many forms of pathophysiology generally associated with aging.
The series Oxidative Stress and Dietary Antioxidants combines in single volumes the science behind both oxidative stress and dietary antioxidants relating to a particular organ, disease, or pathology.
Objectives: To investigate the relationship between lipid levels and oxidative stress index in healthy young adults.
A recent article in the Journal of Clinical Nutrition reports on a study in which high homocysteine levels are associated with an increased risk of colorectal cancer independently of oxidative stress and antioxidant capacities.
Diabetes: Oxidative Stress and Dietary Antioxidants
Phase II of a study on the oxidative properties of Kamut Brand khorasan wheat, supported by Kamut International, compared the oxidative properties between modern wheat (a typical durum) and ancient grain (Kamut khorasan wheat).
Although oxidative stress appears to be a critical mechanism by which exposure to PM causes adverse health effects, its use as a biomarker of exposure has been limited.

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