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Bernoulli's law

(bər-nōōlēz)
n.
  1. An expression of the conservation of energy for any incompressible flowing fluid in terms of its pressure, velocity, density, acceleration, and vertical height.
  2. law of large numbers
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

bernoulli's law in Science

Bernoulli's law

[bər-nōōlēz]
  1. A law of fluid mechanics stating the relationship between the velocity, density, and pressure of a fluid. Mathematically, the law states that P + 12ρv2 = constant, where P is the pressure (in newtons per square meter), ρ is the density of the fluid (in kilograms per square meter), and v is the velocity (in meters per second). If no energy is added to the system, an increase in velocity is accompanied by a decrease in density and/or pressure. The law is directly related to the principle of conservation of energy. See also Bernoulli effect.
  2. See law of large numbers.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.