The ratio of stress to rate of
strain, calculated from measurements of forces and velocities as though the liquid were Newtonian. If the liquid is actually non-Newtonian, the apparent
viscosity depends on the type and dimensions of the apparatus used.
Source: PAC, 1979,
51, 1213. (
Terminology and Symbols in Colloid and Surface Chemistry Part 1.13. Definitions, Terminology and Symbols for Rheological Properties) on page 1217 [
Terms] [
Paper]