retrogression
Use Retrogression in a sentence
trəˈgrɛʃ noun
1.
the act of retrogressing; movement backward.
2.
Biology. degeneration; retrograde metamorphosis; passing from a more complex to a simpler structure.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To retrogression
Collins
World English Dictionary
retrogress (ˌrɛtrəʊˈɡrɛs) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —vb | |
| 1. | to go back to an earlier, esp worse, condition; degenerate or deteriorate |
| 2. | to move backwards; recede |
| 3. | biology to develop characteristics or features of lower or simpler organisms; degenerate |
| [C19: from Latin retrōgressus having moved backwards, from retrōgradī; see | |
| retro'gression | |
| —n | |
| retro'gressive | |
| —adj | |
| retro'gressively | |
| —adv | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Retrogression
is always a great word to know.
So is protoplasm. Does it mean:
| the series of living phenomena exhibited by an organism in the course of its development from inception to death |
| the colloidal and liquid substance of which cells are formed, the cytoplasm and nucleus: no longer in technical use |
Etymonline
Word Origin & History
retrogression
1646, formed on model of progression from L. retrogressus, pp. of retrogradi "move backward" (see retrograde).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
retrogression ret·ro·gres·sion (rět'rə-grěsh'ən)
n.
The act or process of deteriorating or declining.
A return to a less complex biological state or stage.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Example sentences
Moreover, in some categories cut-off date retrogression is a particular possibility.
Visa retrogression affects both the adjusted age calculation and the one year filing requirement.
Moreover, in some categories cut-off date retrogression is a possibility.
The change to less desirable plants is called plant retrogression.
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