Poiseuille\'s law

[pwah-zweez]

Poi·seuille'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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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Poiseuille's law is always a great word to know.
So is atomic structure. Does it mean:
a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid
a positively charged nucleus neutralized by negatively charged electrons revolving in orbits at varying distances from the nucleus
American Heritage
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.

The American Heritage® Stedman's Medical Dictionary
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