Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Medieval Latin
Origin: correlatio, from Latin com- ( COM-) + relatio 'relation'

correlation

noun
     
Related topics: Hard Science
cor‧re‧la‧tion
[uncountable and countable]H a connection between two ideas, facts etc, especially when one may be the cause of the other
correlation between
a strong correlation between urban deprivation and poor health
strong/high/close/significant etc correlation
There is a direct correlation between the best-known brands and the best-selling brands.
correlation with
There's also some correlation with social class.

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