Definitions for viscosityvɪˈskɒs ɪ ti

This page provides all possible meanings and translations of the word viscosity

Random House Webster's College Dictionary

vis•cos•i•tyvɪˈskɒs ɪ ti(n.)(pl.)-ties.

  1. the state or quality of being viscous.

    Category: Physics

  2. the property of a fluid that resists the force tending to cause the fluid to flow. the measure of the extent to which a fluid possesses this property.

    Category: Physics

Origin of viscosity:

1375–1425

Princeton's WordNet

  1. viscosity, viscousness(noun)

    resistance of a liquid to shear forces (and hence to flow)

Wiktionary

  1. viscosity(Noun)

    The state of being viscous.

  2. viscosity(Noun)

    A quantity expressing the magnitude of internal friction in a fluid, as measured by the force per unit area resisting uniform flow.

  3. viscosity(Noun)

    A tendency to prolong interpersonal encounters.

Webster Dictionary

  1. Viscosity(noun)

    the quality or state of being viscous

  2. Viscosity(noun)

    a quality analogous to that of a viscous fluid, supposed to be caused by internal friction, especially in the case of gases

Freebase

  1. Viscosity

    The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. For liquids, it corresponds to the informal notion of "thickness". For example, honey has a higher viscosity than water. Viscosity is due to friction between neighboring parcels of the fluid that are moving at different velocities. When fluid is forced through a tube, the fluid generally moves faster near the axis and very slowly near the walls, therefore some stress is needed to overcome the friction between layers and keep the fluid moving. For the same velocity pattern, the stress required is proportional to the fluid's viscosity. A liquid's viscosity depends on the size and shape of its particles and the attractions between the particles. A fluid that has no resistance to shear stress is known as an ideal fluid or inviscid fluid. Zero viscosity is observed only at very low temperatures, in superfluids. Otherwise all fluids have positive viscosity. If the viscosity is very high, for instance in pitch, the fluid will appear to be a solid in the short term. A liquid whose viscosity is less than that of water is sometimes known as a mobile liquid, while a substance with a viscosity substantially greater than water is called a viscous liquid.

U.S. National Library of Medicine

  1. Viscosity

    The resistance that a gaseous or liquid system offers to flow when it is subjected to shear stress. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)

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