multicollinearity

noun

A phenomenon in which two or more predictor variables in a multiple regression model are highly correlated, so that the coefficient estimates may change erratically in response to small changes in the model or data.

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Meanings

nounmulticollinearity (countable and uncountable, plural multicollinearities)

plural multicollinearities

  1. countableuncountablemathematicsA phenomenon in which two or more predictor variables in a multiple regression model are highly correlated, so that the coefficient estimates may change erratically in response to small changes in the model or data.

Origin

From multicollinear + -ity.

Full word history & related roots →

Translations

Greek πολυσυγγραμμικότητα
  • πολυσυγγραμμικότητα (polysyngrammikótita)phenomenon in which two or more predictor variables in a multiple regression model are highly correlated
Icelandic marglínuleiki
  • marglínuleikiphenomenon in which two or more predictor variables in a multiple regression model are highly correlated
Cite this entry
APA

multicollinearity. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/multicollinearity

MLA

“multicollinearity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/multicollinearity. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “multicollinearity,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/multicollinearity.

Source: multicollinearity on Wiktionary, CC BY-SA 4.0.