Viscosity

[vɪ'skɒsɪtɪ] or [vɪs'kɑsəti]

(noun.) resistance of a liquid to shear forces (and hence to flow).

Editor: Myra--From WordNet

(n.) The quality or state of being viscous.

(n.) A quality analogous to that of a viscous fluid, supposed to be caused by internal friction, especially in the case of gases.

Checked by Dale