fluidity

The state of being fluid rather than viscous

A measure of the extent to which something is fluid. The reciprocal of its viscosity.

The quality of being fluid or free-flowing

In addition to all this, the fluidity of the steam itself was much increased by high superheat, usually achieved by means of the Houlet superheater.

Either side of Rooney's fluffed chance, it was a tale of Ukrainian domination as they attacked England down both flanks and showed the greater fluidity of the teams.