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regression

 - 7 dictionary results

re⋅gres⋅sion

[ri-gresh-uhn]
–noun
1. the act of going back to a previous place or state; return or reversion.
2. retrogradation; retrogression.
3. Biology. reversion to an earlier or less advanced state or form or to a common or general type.
4. Psychoanalysis. the reversion to a chronologically earlier or less adapted pattern of behavior and feeling.
5. a subsidence of a disease or its manifestations: a regression of symptoms.
–adjective
6. of, pertaining to, or determined by regression analysis: regression curve; regression equation.

Origin:
1510–20; < L regressiōn- (s. of regressiō). See regress, -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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re·gres·sion   (rĭ-grěsh'ən)   
n.  
  1. Reversion; retrogression.

  2. Relapse to a less perfect or developed state.

  3. Psychology Reversion to an earlier or less mature pattern of feeling or behavior.

  4. Medicine A subsidence of the symptoms or process of a disease.

  5. Biology The return of a population to an earlier or less complex physical type in successive generations.

  6. Statistics The relationship between the mean value of a random variable and the corresponding values of one or more independent variables.

  7. Astronomy Retrograde motion of a celestial body.

  8. Geology A relative fall in sea level resulting in deposition of terrestrial strata over marine strata.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

regression

A Freudian concept used by psychiatrists to signify a return to primitive or impulsive behavior after more mature behavior has been learned. (See also defense mechanism, id, and libido.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: re·gres·sion
Pronunciation: ri-'gresh-&n
Function: noun
: a trend or shift toward a lower, less severe, or less perfect state:as a : progressive decline (as in size or severity) of a manifestation of disease regression following radiation> b (1) : a gradual loss ofdifferentiation and function by a body part especially as a physiological change accompanying aging regression of the ovaries> (2) : gradual loss (as in old age) ofmemories and acquired skills c : reversion to an earlier mental or behavioral level or to an earlier stage of psychosexual development in response to organismic stress or to suggestionregression towards childhood —Havelock Ellis>
Medical Dictionary

regression re·gres·sion (rĭ-grěsh'ən)
n.

  1. A subsidence of the symptoms of a disease.

  2. A relapse of symptoms.

  3. Reversion to an earlier or less mature pattern of feeling or behavior.

  4. Relapse to a less perfect or developed state.

  5. The return of a population to an earlier or less complex physical type in successive generations.

  6. The relationship between the mean value of a random variable and the corresponding values of one or more independent variables.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Science Dictionary
regression   (rĭ-grěsh'ən)  Pronunciation Key 
  1. A subsiding of the symptoms or process of a disease.

  2. The return of a population to an earlier or less complex physical type in successive generations.

  3. The relationship between the mean value of a random variable and the corresponding values of one or more independent variables.

  4. A relative fall in sea level resulting in deposition of terrestrial strata over marine strata. Compare transgression.

  5. Retrograde motion of a celestial body.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

regression
1. A mathematical method where an empirical function is derived from a set of experimental data.
2. regression testing.
(1995-03-14)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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