A technical dictionary of printmaking, André Béguin.


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Viscosity
The resistance of a fluid to flow, the opposite of fluidity. Exact measurements given an evaluation of this property in terms of a coefficient of viscosity which is defined as the shearing force divided by the rate of shear in simple fluids. In thixotropic materials such as printing inks the plastic viscosity is more properly used.
f viscosité, d Viskosität; Zähflüssigkeit, Zähigkeit; Dickflüssigkeit. n viscositeit.
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