Regression Definition

rĭ-grĕshən
noun
The process or an instance of regressing, as to a less perfect or less developed state.
American Heritage Medicine
A regressing, or going back; return; movement backward.
Webster's New World
Webster's New World
The slow westward shifting of the nodes of an orbit, caused by a perturbation: the complete cycle of the regression of the nodes of the moon's orbit around the earth takes about 18.6 years.
Webster's New World
A gradual subsiding of a disease or its symptoms.
Webster's New World
Synonyms:
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other
Retrograde motion of a celestial body.
American Heritage Science
A relative fall in sea level resulting in deposition of terrestrial strata over marine strata.
American Heritage Science

Other Word Forms of Regression

Noun

Singular:
regression
Plural:
regressions

Origin of Regression

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regression