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psychol the adoption by an adult or adolescent of behaviour more appropriate to a child, esp as a defence mechanism to avoid anxiety

statistics

1. 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

2. ( 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

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.