correlation

noun

cor·​re·​la·​tion ˌkȯr-ə-ˈlā-shən How to pronounce correlation (audio)
ˌkär-
1
: the state or relation of being correlated
specifically : a relation existing between phenomena or things or between mathematical or statistical variables which tend to vary, be associated, or occur together in a way not expected on the basis of chance alone
… the obviously high positive correlation between scholastic aptitude and college entrance … James B. Conant
2
: the act of correlating
correlational
ˌkȯr-ə-ˈlā-shnəl How to pronounce correlation (audio)
-shə-nᵊl
ˌkär-
adjective

Examples of correlation in a Sentence

the correlation of brain size and intelligence Researchers have found a direct correlation between smoking and lung cancer. She says that there's no correlation between being thin and being happy.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Climate researchers suggest that such a model could significantly reduce carbon emissions by creating a more direct correlation between passenger weight and fuel consumption. Kurt Knutsson, Cyberguy Report, Fox News, 21 Feb. 2025 There may be such a correlation between cost and quality with cars and electronic products, but that is far from the case in healthcare. Suzanne Blake, Newsweek, 21 Feb. 2025 The firm screened for quality cyclical names, specifically those with high cash flow return on investment, correlation to PMI, earnings momentum and free cash flow yield. Sean Conlon, CNBC, 19 Feb. 2025 With a close correlation between domestic violence and animal abuse, shelters should ensure that people adopting animals are thoroughly investigated to determine possible threats to the creatures’ safety. Anna-Jae Clarke, Hartford Courant, 12 Feb. 2025 See All Example Sentences for correlation

Word History

Etymology

Medieval Latin correlation-, correlatio, from Latin com- + relation-, relatio relation

First Known Use

1561, in the meaning defined at sense 1

Time Traveler
The first known use of correlation was in 1561

Browse Nearby Entries

Cite this Entry

“Correlation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/correlation. Accessed 27 Feb. 2025.

Kids Definition

correlation

noun
cor·​re·​la·​tion ˌkȯr-ə-ˈlā-shən How to pronounce correlation (audio)
ˌkär-
1
: the act or process of correlating
2
: the state of being correlated
especially : a mutual relation discovered to exist between things
the correlation between smoking and lung cancer
correlational
-shnəl How to pronounce correlation (audio)
-shən-ᵊl
adjective

More from Merriam-Webster on correlation

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!