Darcy's law(redirected from Darcys law)
Also found in: Dictionary.
Related to Darcys law: Darcy's law
Darcy's law[′där·sēz ‚lȯ]
The law that the rate at which a fluid flows through a permeable substance per unit area is equal to the permeability, which is a property only of the substance through which the fluid is flowing, times the pressure drop per unit length of flow, divided by the viscosity of the fluid.