degradation

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degradation

 [deg″rah-da´shun]
conversion of a chemical compound to one less complex, as by splitting off one or more groups of atoms. See also lysis.

deg·ra·da·tion

(deg'ră-dā'shŭn),
The change of a chemical compound into a less complex compound.
[L. degradatus, degrade]

degradation

/deg·ra·da·tion/ (deg″rah-da´shun) conversion of a chemical compound to one less complex, as by splitting off one or more groups of atoms.

degradation

(dĕg′rə-dā′shən)
n.
1. The act or process of degrading.
2. The state of being degraded; degeneration.
3. A decline to a lower condition, quality, or level.
4. Chemistry Decomposition of a compound, especially complex substances such as polymers and proteins, by stages, exhibiting well-defined intermediate products.

deg′ra·da′tive adj.

degradation

[di′grədā′shən]
Etymology: L, de + gradu, step
the conversion of a chemical compound to a less complex compound, usually by splitting off one or more groups or subgroups of atoms, as in deamination. degrade, adj.

deg·ra·da·tion

(deg'ră-dā'shŭn)
The change of a chemical compound into a less complex compound.
[L. degradatus, degrade]

deg·ra·da·tion

(deg'ră-dā'shŭn)
The change of a chemical compound into a less complex compound.
[L. degradatus, degrade]

degradation (deg´rədā´shən),

n the reduction of a chemical compound to a less complex compound.

degradation

conversion of a chemical compound to one less complex, as by splitting off one or more groups of atoms.
References in periodicals archive ?
Yari, H, Mohseni, M, Ramezanzadeh, B, Sabbaghian, S, "Use of Analytical Techniques to Reveal the Influence of Chemical Structure of Clearcoat on Its Biological Degradation Caused by Bird-Droppings.
Since it can be expected that the weathering and biological materials may have a synergistic effect, separation of such effects helps us to effectively follow the biological degradation mechanism of coating.
Accelerated attention has been focused at biological degradation as friendly solution for plastic accumulation and environmental pollution.
These composites also show increased heat deflection temperature, fire resistance, and resistance to biological degradation.
Decades of military activity have resulted in pollution of land and ground-water by explosives resistant to biological degradation.
But PBDEs resist physical, chemical, and biological degradation, and they can leach out into the environment.
A material which undergoes physical, chemical, thermal and/or biological degradation in a municipal solid waste composting facility such that it enters into the finished compost (humus) and ultimately mineralizes (biodegrades to carbon dioxide, water and biomass) in the environment at a rate like that of known compostable materials in municipal solid waste such as paper and yard waste.
Chemical evolution and biological degradation of petroleum/dispersant systems and subsequent interaction with coastal, open-ocean, and deep-water ecosystems.
The application of this same technology in a two-stage process including biological degradation for the destruction of organic contaminants is not common at present.
Although its biological degradation in the environment is slow, DDT is biotransformed to numerous lipophilic and persistent metabolites that are found in human tissues and in wild mammals, birds, and fish.

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