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- Dictionaryviscosity/vɪˈskɒsɪti/
noun
- 1. the state of being thick, sticky, and semi-fluid in consistency, due to internal friction: "cooling the fluid raises its viscosity"
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noun
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The viscosity of a fluid is a measure of its resistance to deformation at a given rate. For liquids, it corresponds to the informal concept of "thickness": for example, syrup has a higher viscosity than water. Viscosity is defined scientifically as a force multiplied by a time divided by an area. Thus its SI units are newton-seconds per square meter, or pascal-seconds. Wikipedia