Dynamic (absolute) viscosity is a measure of the resistance to flow of a liquid
under an applied force, or how thick is the fluid. For example, water is thin
so it's low viscous (at 20C, 1.0020 centipoise). Oil, fuel, gas are thick, so
they have high viscosity. At 20C, oil (olive) viscosity is 84 centipoise.
Pascal second (newton per square meter) is the SI unit of dynamic viscosity.
The most common unit of dynamic viscosity is poise.
Other main dynamic viscosity units are centipoise, pascal second, newton per
square meter, millipascal second and more.