oxidation


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to oxidation: oxidation number, oxidation state

ox·i·da·tion

 (ŏk′sĭ-dā′shən)
n.
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.

oxidation

(ˌɒksɪˈdeɪʃən)
n
(Chemistry)
a. the act or process of oxidizing
b. (as modifier): an oxidation state; an oxidation potential.
ˌoxiˈdational adj
ˈoxiˌdative adj

ox•i•da•tion

(ˌɒk sɪˈdeɪ ʃən)

also ox•i•di•za•tion

(-dəˈzeɪ ʃən)

n.
1. the process or result of oxidizing.
2. the deposit that forms on the surface of a metal as it oxidizes.
[1785–95]
ox′i•da`tive, adj.

ox·i·da·tion

(ŏk′sĭ-dā′shən)
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.
Did You Know? If you've ever seen rust, you've seen oxidation. If you've ever watched a candle burn, you've seen oxidation. And if you've ever breathed, which is a good bet, you've experienced oxidation. In all these cases, oxygen is added to another substance. Rust is oxygen reacting with iron, and both burning and breathing involve oxygen reacting with carbon to free up energy stored in chemical bonds. Perhaps you have seen movies in which people are trapped in a confined space like a mine. They might light a match to see, but the burning flame uses up the same oxygen they need to survive. Rust can be thought of as burning that happens incredibly slowly. Oxygen takes electrons from whatever it is oxidizing, so chemists also use the word oxidation to describe what happens to any substance that loses electrons to another substance.

oxidation

1. A substance is oxidized if it gains oxygen, loses hydrogen, or loses electrons.
2. A chemical reaction involving loss of electrons. In the human body, oxidation occurs when breathed-in oxygen combines with molecules in food to produce energy, water, and carbon dioxide.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.oxidation - the process of oxidizingoxidation - the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction
calcination - the conversion of metals into their oxides as a result of heating to a high temperature
chemical reaction, reaction - (chemistry) a process in which one or more substances are changed into others; "there was a chemical reaction of the lime with the ground water"
combustion, burning - a process in which a substance reacts with oxygen to give heat and light
nitrification - the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants)
rusting, rust - the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
Translations
酸化

oxidation

[ˌɒksɪˈdeɪʃən] Noxidación f

oxidation

[ˌɒksɪˈdeɪʃən] noxydation f

oxidation

n (Chem) → Oxidation f

oxidation

[ˌɒksɪˈdeɪʃən] nossidazione f

ox·i·da·tion

n. oxidación, combinación de una sustancia con oxígeno.
References in periodicals archive ?
Lipid oxidation is accelerated by sodium chloride and metals such as iron and copper.
Oxidation Stability: a Nautralisation Value after Oxidation Max :0.
They provide thermal and oxidation stability, high viscosity index, high flash point, low pour point, and hydrolytic stability while protecting against rust, oxidation and foaming.
Key statement: Catalytic partial oxidation using a metal oxide catalyst surface treats crumb rubber that is recovered from waste rubber tires.
SIEMENS Energy has announced it will supply a wet air oxidation ethylene spent caustic treatment system to Qatar Petrochemical Company (Qapco) as part of an ethylene plant expansion.
compile the substantial research findings on oxidative stress and protein oxidation, the removal of oxidized proteins, different model systems and affecting factors of protein oxidation and aging, and protein oxidation in some age-related diseases.
Although improved endothelial function and inhibition of LDL oxidation may be potential mechanisms by which red wine and flavonoids reduce cardiovascular risk, the in vivo effects of grape products on endothelial function and LDL oxidation have not been investigated.
Omega-3's are considered essential fatty acids and as consumers continue to look for ways to incorporate them into their diets, food processors look for ways to reduce oxidation levels in omega-3 products.
The long-chain omega-3 fatty acids, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), are susceptible to oxidation involving the formation of substances such as peroxides and volatile compounds.
2]O glass-based coating for slab reheating application was deposited on AISI 304 stainless steel by air spraying, and its effect on high-temperature oxidation behavior of AISI 304 was investigated.