VISCIN
Vis"cin, n. (Chem.)

Defn: A clear, viscous, tasteless substance extracted from the mucilaginous sap of the mistletoe (Viscum album), holly, etc., and constituting an essential ingredient of birdlime.

VISCOIDAL
Vis*coid"al, a.

Defn: Somewhat viscous. Cf. Mobile, a., 2.

VISCOSIMETER
Vis`co*sim"e*ter, n. Etym: [Viscosity + -meter.]

Defn: An instrument for measuring the degree of viscosity of liquids, as solutions of gum.

VISCOSITY
Vis*cos"i*ty, n. Etym: [Cf. F. viscosité, LL. viscositas.]

1. The quality or state of being viscous.

2. (Physics)

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