# regression

[ri-gresh-uh n]

- the act of going back to a previous place or state; return or reversion.
- retrogradation; retrogression.
- Biology. reversion to an earlier or less advanced state or form or to a common or general type.
- Psychoanalysis. the reversion to a chronologically earlier or less adapted pattern of behavior and feeling.
- a subsidence of a disease or its manifestations: a regression of symptoms.

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- of, relating to, or determined by regression analysis: regression curve; regression equation.

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## Origin of regression^{}

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for regression

### Contemporary Examples

#### Worst of all, they elide the obvious point that all revolts fluctuate between periods of progress and regression.

#### They've got sophisticated reasons why your regression is all wrong.

#### It was a regression, the triumph of a latent aristocratic gene that resides in the heart of humanity when democracies get lazy.

### Historical Examples

#### And there is no doubt that this regression has taken place in the course of history.

The Elementary Forms of the Religious LifeEmile Durkheim

#### The next stage in regression is that where the idea of death appears.

Benign StuporsAugust Hoch

#### The interruptions are easily explained by the theory of regression.

Benign StuporsAugust Hoch

#### The different "levels" of the stupor reaction also conform to a theory of regression.

Benign StuporsAugust Hoch

#### Regression is the second danger of this development by stages.

A General Introduction to PsychoanalysisSigmund Freud

## regression

- psychol the adoption by an adult or adolescent of behaviour more appropriate to a child, esp as a defence mechanism to avoid anxiety
- statistics
- the analysis or measure of the association between one variable (the dependent variable) and one or more other variables (the independent variables), usually formulated in an equation in which the independent variables have parametric coefficients, which may enable future values of the dependent variable to be predicted
- (as modifer)regression curve

- astronomy the slow movement around the ecliptic of the two points at which the moon's orbit intersects the ecliptic. One complete revolution occurs about every 19 years
- geology the retreat of the sea from the land
- the act of regressing

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History for regression

### n.

early 15c., from Latin regressionem (nominative regressio) "a going back, a return," noun of action from past participle stem of regredi (see regress (n.)).

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Online Etymology Dictionary, © 2010 Douglas Harper

## regression

(rĭ-grĕsh′ən)- A subsidence of the symptoms of a disease.
- A relapse of symptoms.
- Reversion to an earlier or less mature pattern of feeling or behavior.
- Relapse to a less perfect or developed state.
- The return of a population to an earlier or less complex physical type in successive generations.
- The relationship between the mean value of a random variable and the corresponding values of one or more independent variables.

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

## regression

[rĭ-grĕsh′ən]

- A subsiding of the symptoms or process of a disease.
- The return of a population to an earlier or less complex physical type in successive generations.
- The relationship between the mean value of a random variable and the corresponding values of one or more independent variables.
- A relative fall in sea level resulting in deposition of terrestrial strata over marine strata. Compare transgression.
- Retrograde motion of a celestial body.

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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## 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.)

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The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.