de generation


the process of degenerating.
the condition or state of being degenerate.
a process by which a tissue deteriorates, loses functional activity, and may become converted into or replaced by other kinds of tissue.
the condition produced by such a process.

1475–85; < Late Latin dēgenerātiōn- (stem of dēgenerātiō). See de-, generation

nondegeneration, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
degeneration (dɪˌdʒɛnəˈreɪʃən)
1.  the process of degenerating
2.  the state of being degenerate
3.  biology the loss of specialization, function, or structure by organisms and their parts, as in the development of vestigial organs
4.  a.  impairment or loss of the function and structure of cells or tissues, as by disease or injury, often leading to death (necrosis) of the involved part
 b.  the resulting condition
5.  electronics negative feedback of a signal

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

c.1600, from Fr. dégéneration (15c.), noun of action from L. degenerare (see degenerate).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

degeneration de·gen·er·a·tion (dĭ-jěn'ə-rā'shən)

  1. The gradual deterioration of specific tissues, cells, or organs with impairment or loss of function, caused by injury, disease, or aging.

  2. The evolutionary decline or loss of a function, characteristic, or structure in an organism or a species.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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