rotational diffusion

https://doi.org/10.1351/goldbook.R05410
A process by which the equilibrium statistical distribution of the overall orientation of molecules or particles is maintained or restored. Rotational @D01716@ may be compared to translational @D01716@ through which the equilibrium statistical distribution of position in space is maintained or restored.
Source:
Purple Book, 1st ed., p. 61 [Terms]