Medical Dictionary


noun vis·cos·i·ty \vis-ˈkäs-ət-ē\
plural vis·cos·i·ties

Medical Definition of VISCOSITY

:  the quality of being viscous; especially :  the property of resistance to flow in a fluid or semifluid
:  the ratio of the tangential frictional force per unit area to the velocity gradient perpendicular to the direction of flow of a liquid—called also coefficient of viscosity
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