Viscosity



GRE TOEFL

解释

GRE 红宝书

• n.粘度, 粘性
• ［英］ n. 粘度, 粘性 ( the property of resistance to flow)
• ［记］ visc ( 粘) +osity -> 粘性

Webster Collegiate

noun (plural -ties)

• Etymology: Middle English viscosite, from Anglo-French viscosité, from Medieval Latin viscositat-, viscositas, from Late Latin viscosus viscous
• Date: 14th century
• 1. the quality or state of being viscous
• 2. the property of resistance to flow in a fluid or semifluid
• 3. 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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