n. 粘稠, 粘性

[化] 内摩擦; 粘度

[医] 粘[滞]度, 粘[滞]性

[ noun ]
resistance of a liquid to shear forces (and hence to flow)
<noun.attribute>

Viscosity \Vis*cos"i*ty\, n. [Cf. F. viscosit['e], LL.
viscositas.]
1. The quality or state of being viscous.

2. (Physics) A property possessed by a viscous fluid, being a
resistance to the forces causing a fluid to flow, caused
by interactions between the molecules of the fluid and
between the fluid and the walls of the conduit through
which it moves; also, a measure of such a property.
[1913 Webster +PJC]