 ##  [Coupling Coefficient](/coupling-coefficient) 

  ##  [Coupling Coefficient](https://mathlogic.quantumdictionary.io/coupling-coefficient-0) 

  
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- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 
Definition

A scalar, vector, or tensor parameter (possibly frequency- or state-dependent) that quantifies the strength, direction, or character of interaction between coupled subsystems or across an interface.