ˌ ̷ ̷ ̷ ̷ˈlāshən noun
( -s )
Etymology: Medieval Latin correlation-, correlatio, from Latin com- + relation-, relatio relation — more at relation
1. : the act or process of correlating : the condition or fact of being correlated
the exact correlation of tempo, emphasis, and climax — Parker Tyler
specifically : the relation of phenomena as invariable accompaniments of each other whether causally connected or not
the assumption is that there is a positive correlation between performance and pay — Kermit Eby
2. : reciprocal or mutual relation in the occurrence (as of deafness in blue-eyed white cats or the expression of apical dominance in plants) of different structures, characteristics, or processes in organisms
3. : an interdependence between mathematical variables especially in statistics
4. : determination of synchrony, of homotaxis, or of relation to the scale of geologic time — usually used in the comparison of geologic formations or of fossil faunas or floras belonging to different districts