Meaning of pascal second in English:

pascal second


  • The SI unit of dynamic viscosity, equal to the reciprocal of the velocity with which a fluid between two plates one metre apart moves when one of the plates is moved toward the other with a shear stress of one pascal; symbol Pas or Pa·s.

    In practice, the poise is the more commonly used unit of measurement for dynamic viscosity.


1970s; earliest use found in Philosophical Transactions of the Royal Society of London.