This resistance acts against the motion of any solid object through the fluid and also against motion of the fluid itself past stationary obstacles.
Viscosity also acts internally on the fluid between slower and faster moving adjacent layers.
All fluids, i.e., all liquids and gases, exhibit viscosity to some degree. Listing from Electric Library , a pay service. No relevant pictures or maps found. The Columbia Electronic Encyclopedia, Sixth Edition Copyright 2000, Columbia University Press. Copyright 2001 Infonautics Corporation .