##  [Dynamic Viscosity](/index.php/dynamic-viscosity) 

  ##  [Dynamic Viscosity](https://engineering.quantumdictionary.io/dynamic-viscosity-0) 

  

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**Engineering & Applied Technologies Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A material property quantifying a fluid's internal resistance to shear, defined for Newtonian fluids by the proportionality between shear stress and shear rate (τ = μ·du/dy), expressed in Pa·s; for non‑Newtonian fluids the term describes a shear‑rate dependent apparent viscosity.