correlation

/ˌkɒɹ.əˈleɪ.ʃən/

Proposed by a contributor, not yet supported by evidence.

Also seen as: correlations

Sense 1

Meaning · English

A reciprocal, parallel or complementary relationship between two or more comparable objects.

Noun

Examples

clear correlation

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

One of the several measures of the linear statistical relationship between two random variables, indicating both the strength and direction of the relationship.

Noun

Examples

For example, scientists can use data from larger studies about the correlation between antibody levels and vaccine efficacy in adults to make a prediction about vaccine efficacy in children.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “correlation” mean?

A reciprocal, parallel or complementary relationship between two or more comparable objects.

Is “correlation” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.