regression (redirected from regressions)

re·gres·sion  (r-grshn)

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.

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regression

Noun

1. the act of regressing

2. Psychol the use by an adult of behaviour more appropriate to a child

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regression  (r-grshn)

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.

Thesaurus

Noun	1.	regression - an abnormal state in which development has stopped prematurely arrested development, fixation, infantile fixation abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies
	2.	regression - (psychiatry) a defense mechanism in which you flee from reality by assuming a more infantile state psychiatry, psychological medicine, psychopathology - the branch of medicine dealing with the diagnosis and treatment of mental disorders defence, defence mechanism, defence reaction, defense mechanism, defense reaction, defense - (psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires
	3.	regression - the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x) regression toward the mean, simple regression, statistical regression statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters statistical method, statistical procedure - a method of analyzing or representing statistical data; a procedure for calculating a statistic regression analysis - the use of regression to make quantitative predictions of one variable from the values of another linear regression, rectilinear regression - the relation between variables when the regression equation is linear: e.g., y = ax + b curvilinear regression - the relation between variables when the regression equation is nonlinear (quadratic or higher order)
	4.	regression - returning to a former state regress, retrogression, retroversion, reversion reversal - a change from one state to the opposite state; "there was a reversal of autonomic function"