Bernoulli's principle

British  

noun

1. 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

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Etymology

Origin of Bernoulli's principle

C19: named after Daniel _Bernoulli

Example Sentences

See Examples For:

Bernoulli's principle

Guided by Eric, we watched planes from the viewing deck at the Santa Monica Airport, where he explained Bernoulli’s principle.

From Los Angeles Times ● Jul. 17, 2026

There is also a notorious “demonstration” of Bernoulli’s principle, one that is repeated in many popular accounts, YouTube videos and even some textbooks.

From Scientific American ● Feb. 4, 2020

Without mentioning Bernoulli by name, he gave an account that is consistent with Bernoulli’s principle by saying that fluid pressure is greater where its velocity is slower, and vice versa.

From Scientific American ● Feb. 4, 2020

Explain how this works in terms of Bernoulli's principle.

From Textbooks ● Aug. 12, 2015

"Me, I never even heard of Bernoulli's principle."

From Time Magazine Archive