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1. Oxford American Dictionary

   viscosity

   • IPA[vəˈskäsədē]

   美式

   • n.
     the state of being thick, sticky, and semifluid in consistency, due to internal friction；a quantity expressing the magnitude of internal friction, as measured by the force per unit area resisting a flow in which parallel layers unit distance apart have unit speed relative to one another

   • noun: viscosity, plural noun: viscosities

2. • 釋義

   n.

   名詞

   • 1. the state of being thick, sticky, and semifluid in consistency, due to internal friction cooling the fluid raises its viscosity
   • ▪ a quantity expressing the magnitude of internal friction, as measured by the force per unit area resisting a flow in which parallel layers unit distance apart have unit speed relative to one another silicone oils can be obtained with different viscosities