# What Does Viscosity Mean?

Viscosity is the ratio of the magnitude of an applied shear stress to the velocity gradient that it produces. In other words, viscosity is the molecular friction within a fluid that produces flow resistance. Higher viscosity means thicker, lower viscosity means more free-flowing.
vis·cos·i·ty
[vi-skos-i-tee]
NOUN [PLURAL VIS·COS·I·TIES.]
1.
the state or quality of being viscous.
Source: Dictionary.com
Viscosity is a measure of how resistant something is to flow. Something that has a a lot of viscosity is normally thick and syrupy. Maple syrup is an example of something with viscosity.
Q&A Related to "What Does Viscosity Mean"
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 Viscosity is the amount of resistance to flow that a particular liquid has. In other words, viscosity is a measure of how thick or sticky a liquid is. The higher the viscosity of http://wiki.answers.com/Q/Who+invented+viscosity
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