Graham's law of diffusion
Also found in: Dictionary, Medical.
Related to Graham's law of diffusion: Dalton's law of partial pressure, Graham's law of effusion
Graham's law of diffusion
[′grā·əmz ¦lȯ əv di′fyü·zhən] (fluid mechanics)
The law that the rate of diffusion of a gas is inversely proportional to the square root of its density.