: a law in physics that in medicine is applied in the physiology of blood flow: under equilibrium conditions the pressure tangent to the circumference of a vessel storing or transmitting fluid equals the product of the pressure across the wall and the radius of the vessel for a sphere and half this for a tube
called also Laplace's law
Cite this Entry
“Law of Laplace.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/law%20of%20Laplace. Accessed 23 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share