[mass noun]the state of being thick, sticky, and semi-fluid in consistency, due to internal friction 黏性;黏滞性 ■[count noun]a quantity expressing the magnitude of such 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 黏度;黏滞度
语源
late Middle English: from Old French viscosite or medieval Latin viscositas, from late Latin viscosus (see viscous)