regression
//rɪˈɡrɛʃən//
Noun
regressionsPlural
1
A return to a former or less developed state; a decline or deterioration
The country experienced a regression to authoritarian rule after years of democracy.
2
In statistics, a measure of the relation between the mean value of one variable and corresponding values of other variables
Linear regression is used to predict future trends based on historical data.
3
In psychology, a return to an earlier stage of development or behavior, especially as a defense mechanism
Under stress, the child showed regression to thumb-sucking behavior.
4
The act of going back or returning to a previous place or condition
The patient showed regression to an earlier stage of development.