Poiseuille's law

Poiseuille's law

[pwah-zweez]
noun Physics, Mechanics.
the law that the velocity of a liquid flowing through a capillary is directly proportional to the pressure of the liquid and the fourth power of the radius of the capillary and is inversely proportional to the viscosity of the liquid and the length of the capillary.

Origin:
1880–85; see poise2

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Medical Dictionary

Poiseuille's law Poi·seuille's law (pwä-zɶ'yēz)
n.
The principle that the volume of a homogeneous fluid passing per unit time through a capillary tube is directly proportional to the pressure difference between its ends and to the fourth power of its internal radius, and inversely proportional to its length and to the viscosity of the fluid.

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