oxidation

A chemical process involving the combination of a material (usually a metal) with oxygen to produce a substance with substantially different physical and electrical characteristics from the base material.
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oxidation

A discoloration that forms on the surface of many metals as the molecules bond with atmospheric oxygen. ^top
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oxidation

The process of combining with oxygen ions. A mineral that is exposed to air may undergo oxidation as a form of chemical weathering.
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oxidation

(1) A reaction in which there is an increase in valence resulting from a loss of electrons. Contrast with reduction. (2) A corrosion reaction in which the corroded metal forms an oxide; usually applied to reaction with a gas containing elemental oxygen, such as air.
Found on http://www.encyclo.co.uk/local/20742

Oxidation

(1) Chemical attachment of free oxygen to other elements and compounds. One of the types of chemical weathering. (2) Loss of an electron during a chemical reaction from one atom to another.
Found on http://www.physicalgeography.net/physgeoglos/o.html

oxidation

(1) The complete, net removal of one or more electrons from a molecular entity (also called 'de-electronation'). (2) an increase in the oxidation number of any atom within any substrate (see HENDRICKSON, CRAM and HAMMOND (1970)). (3) Gain of oxygen and/or loss of hydrogen of an organic substrate. All oxidations meet criteria (1) and (2), and many m...
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oxidation

(from the article `oxidation–reduction reaction`) ...(redox) processes involve the transfer of oxygen atoms, hydrogen atoms, or electrons, with all three processes sharing two important ... ...one or more of the electrodes and the analyte. The analyte must be capable of either accepting one or more electrons (known as reduction) fr...
Found on http://www.britannica.com/eb/a-z/o/43

oxidation

(ok″sĭ-da´shәn) the act of oxidizing or state of being oxidized. Chemically it consists of the increase of positive charges on an atom or the loss of negative charges. Univalent oxidation indicates loss of one electron; divalent oxidation, the loss of two electrons. The opposite reaction to oxidat...
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oxidation

[n] - the process of oxidizing
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Oxidation

• (n.) The act or process of oxidizing, or the state or result of being oxidized.
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oxidation

<biochemistry> The process whereby fatty acids are degraded in steps, losing 2 carbons as (acetyl) CoA. Involves CoA ester formation, desaturation, hydroxylation and oxidation before each cleavage. ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

oxidation

oxidization noun the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction
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oxidation

(chemistry) In chemistry, the loss of electrons, gain of oxygen, or loss of hydrogen by an atom, ion, or molecule during a chemical reaction. At a simple level, oxidation may be regarded as the reaction of a substance with oxygen. For example, rusting, respiration, and combustion (burning) are...
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Oxidation

Ox`i·da'tion noun [ Confer French oxidation .] (Chemistry) The act or process of oxidizing, or the state or result of being oxidized.
Found on http://www.encyclo.co.uk/webster/O/61

oxidation

1 - chemical reaction in which electrons are transferred from a chemical element to oxygen to form a compound called an oxide 2 - more generally, chemical reaction in which a substance loses electrons that are transferred to another substance
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Oxidation

A chemical reaction caused by exposure to oxygen that results in a change in the chemical composition of a mineral.
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Oxidation

A chemical reaction caused by exposure to oxygen that results in a change in the chemical composition of a mineral.
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Oxidation

A chemical reaction caused by exposure to oxygen that results in a change in the chemical composition of a mineral.
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oxidation

A chemical reaction in which electrons are lost from an atom and its charge becomes more positive.
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Oxidation

A chemical reaction in which oxygen combines with a substance, changing or destroying its normal fun
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Oxidation

A chemical reaction in which substances combine with oxygen. For example, the combination of iron wi
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Oxidation

a chemical reaction involving active sources of oxygen (called oxygen free radicals) that damages cells
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oxidation

A chemical reaction that takes place when a substance comes into contact with oxygen or another oxidizing substance. Examples of oxidation are rust and the brown color on a cut apple.
Found on http://www.cancer.gov/dictionary?expand=O

OXIDATION

A chemical reaction which increases the oxygen content of a compound. In metal-working, oxidation usually leads to viscosity increases and deposit formation.
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Oxidation

A chemical reaction which involves at least one of the following: loss of electrons, the gain of oxygen or the loss of hydrogen. (Rust is the result of the oxidation of iron; the oxidation of fats in foods results in rancidity.)
Found on http://www.encyclo.co.uk/local/22159
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