# Bernoulli's principle

(redirected from*Bernoulli's equation*)

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## Bernoulli's principle

*or*

## Bernoulli's law

*n*

(General Physics)

*physics*the principle that in a liquid flowing through a pipe the pressure difference that accelerates the flow when the bore changes is equal to the product of half the density times the change of the square of the speed, provided friction is negligible[C19: named after Daniel Bernoulli]

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