Bernoulli's principle

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

Word History and Origins

Origin of Bernoulli's principle¹

C19: named after Daniel Bernoulli

Example Sentences

That's where Bernoulli's principle comes in.

From Salon

The air above the wing is sped up in accordance with Bernoulli’s principle.

From Scientific American

But if neither Bernoulli’s principle nor Newton’s third law explains it, what does?

From Scientific American

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

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