Degradation

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degradation

[‚deg·rə′dā·shən]
(computer science)
Condition under which a computer operates when some area of memory or some units of peripheral equipment are not available to the user.
(geology)
The wearing down of the land surface by processes of erosion and weathering.
(hydrology)
Lowering of a stream bed.
Shrinkage or disappearance of permafrost.
(organic chemistry)
Conversion of an organic compound to one containing a smaller number of carbon atoms.
(physics)
Loss of energy of a particle, such as a neutron or photon, through a collision.
(thermodynamics)
The conversion of energy into forms that are increasingly difficult to convert into work, resulting from the general tendency of entropy to increase.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Degradation

A loss of the original characteristics, or weakening of an element by erosion; a disintegration of paint by heat, moisture, sunlight or natural weathering. Also harmful action caused by human activity, such as vandalism.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Degradation

 

in biology, the simplification in structure and function of animals or plants under the influence of conditions of existence that have altered. Distinction is made between ontogenetic degradation—that is, simplification of the organism in the final stages of its development as compared with the initial stages—and phylogenetic degradation, or simplification of the structure of descendants as compared with the organization of their ancestors.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

degradation

Disintegration of a paint film by heat, moisture, sunlight, or natural causes.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
(2009), The Little REDD+ Book: An Updated Guide to Governmental Proposals for Reducing Emissions from Deforestation and Degredation, Oxford, Global Canopy Programme.
"It definitely reflects a certain spillover from certain elements of the public-media discourse, but it also reflects the general violence and degredation of order which we have within European societies in these times of global crisis," he told Al Jazeera from Cologne.
Those indicted at wardmotes were subjected to what Rexroth calls "status degredation": a ritual proceeding that reduced them from individuals who had done something specific to generic, disreputable, irredeemable members of an immoral, debauched underworld.
It claims they are a "further degredation of a Grade 2 listed park".
Degredation of GST conjugates by a carboxypeptidase in the plant vacuole.
His Legacy environment had issues with performance degredation, so although his Hitachi started out with 3.5 terabytes, adding another 3.5 terabytes didn't double the performance.
rosea Hillhouse B et al Inhibition of AChE would 2004 prevent the degredation of Ach [right arrow] [up arrow] memory R.
One report suggested yesterday that Madeleine's DNA had been found on the floor of the McCanns' apartment, but due to degredation it was based on an incomplete picture, with only 15 of the 20 genetic markers usually used for such analysis.
Traditionally, blacks have been relegated to second class status by separation, degredation, and the abuse of the criminal justice system.
Unlike conventional filtration systems, which simply filter out unwanted burned food particles or sediments in the oil, OilFresh suppresses the oil breakdown process in the first place by reducing oxydative degredation. The company believes the nanooil will appeal to fast food chains as it offers a way to keep costs down as they move to using more expensive oils in response to consumer concerns about trans-fatty acids, especially those highlighted by the labelling law.
Development of polysaccharide degredation activity in postlarval abalone Haliotis discus hannai.