The time a fixed quantity of a given liquid takes to flow through a Saybolt viscometer under certain conditions, used as a measure of kinematic viscosity.
Origin
Early 20th century.
Definition of Saybolt viscosity in US English:
Saybolt viscosity
noun
The time a fixed quantity of a given liquid takes to flow through a Saybolt viscometer under certain conditions, used as a measure of kinematic viscosity.