##  [Opacity](/index.php/opacity) 

  ##  [Opacity](https://humanitites.quantumdictionary.io/opacity-0) 

  

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**Humanities & Arts Dictionary**

 







 

 

 

 



 

 

 

 

Definition

Degree to which a material prevents transmission of light under specified illumination and observation conditions; in arts and coatings, the operational property that determines whether an underlying layer, ground or backing remains visible when a layer is applied. Opacity is determined by absorption and scattering within the material together with layer thickness and pigment concentration.